20以内含有因数2的数有
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20以内含有因数2的数有
20以内含有因数2的数有
20以内含有因数2的数有
1:1
2:1,2
3:1,3
4:1,2,4
5:1,5
6:1,2,3,6
7:1,7
8:1,2,4,8
9:1,3,9
10:1,2,5,10
11:1,11
12:1,2,3,4,6,12
13:1,13
14:1,2,7,14
15:1,3,5,15
16:1,2,4,8,16
17:1,17
18:1,2,3,6,9,18
19:1,19
20:1,2,4,5,10,20
21:1,3,7,21
22:1,2,11,22
23:1,23
24:1,2,3,4,6,8,12,24
25:1,5,25
26:1,2,13,26
27:1,3,9,27
28:1,2,4,7,14,28
29:1,29
30:1,2,3,5,6,10,15,30
31:1,31
32:1,2,4,8,16,32
33:1,3,11,33
34:1,2,17,34
35:1,5,7,35
36:1,2,3,4,6,9,12,18,36
37:1,37
38:1,2,19,38
39:1,3,13,39
40:1,2,4,5,8,10,20,40
41:1,41
42:1,2,3,6,7,14,21,42
43:1,43
44:1,2,4,11,22,44
45:1,3,5,9,15,45
46:1,2,23,46
47:1,47
48:1,2,3,4,6,8,12,16,24,48
49:1,7,49
50:1,2,5,10,25,50
51:1,3,17,51
52:1,2,4,13,26,52
53:1,53
54:1,2,3,6,9,18,27,54
55:1,5,11,55
56:1,2,4,7,8,14,28,56
57:1,3,19,57
58:1,2,29,58
59:1,59
60:1,2,3,4,5,6,10,12,15,20,30,60
61:1,61
62:1,2,31,62
63:1,3,7,9,21,63
64:1,2,4,8,16,32,64
65:1,5,13,65
66:1,2,3,6,11,22,33,66
67:1,67
68:1,2,4,17,34,68
69:1,3,23,69
70:1,2,5,7,10,14,35,70
71:1,71
72:1,2,3,4,6,8,9,12,18,24,36,72
73:1,73
74:1,2,37,74
75:1,3,5,15,25,75
76:1,2,4,19,38,76
77:1,7,11,77
78:1,2,3,6,13,26,39,78
79:1,79
80:1,2,4,5,8,10,16,20,40,80
81:1,3,9,27,81
82:1,2,41,82
83:1,83
84:1,2,3,4,6,7,12,14,21,28,42,84
85:1,5,17,85
86:1,2,43,86
87:1,3,29,87
88:1,2,4,8,11,22,44,88
89:1,89
90:1,2,3,5,6,9,10,15,18,30,45,90
91:1,7,13,91
92:1,2,4,23,46,92
93:1,3,31,93
94:1,2,47,94
95:1,5,19,95
96:1,2,3,4,6,8,12,16,24,32,48,96
97:1,97
98:1,2,7,14,49,98
99:1,3,9,11,33,99
100:1,2,4,5,10,20,25,50,100