20126957781

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1093}}^1\times {\mathrm{51581}}^1$

素因数の和:52701

約数の個数: 32

約数和(自身を含む): 32504087808

約数和(自身を除く): 12377130027

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 1093, 3279, 7651, 18581, 22953, 51581, 55743, 130067, 154743, 361067, 390201, 876877, 1083201, 2630631, 6138139, 18414417, 56378033, 169134099, 394646231, 958426561, 1183938693, 2875279683, 6708985927, 20126957781]

約数ペア:

[(1, 20126957781), (3, 6708985927), (7, 2875279683), (17, 1183938693), (21, 958426561), (51, 394646231), (119, 169134099), (357, 56378033), (1093, 18414417), (3279, 6138139), (7651, 2630631), (18581, 1083201), (22953, 876877), (51581, 390201), (55743, 361067), (130067, 154743)]