20121949246

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1\times {\mathrm{47911}}^1$

素因数の和:48280

約数の個数: 32

約数和(自身を含む): 34910599680

約数和(自身を除く): 14788650434

約数列:

[1, 2, 7, 14, 131, 229, 262, 458, 917, 1603, 1834, 3206, 29999, 47911, 59998, 95822, 209993, 335377, 419986, 670754, 6276341, 10971619, 12552682, 21943238, 43934387, 76801333, 87868774, 153602666, 1437282089, 2874564178, 10060974623, 20121949246]

約数ペア:

[(1, 20121949246), (2, 10060974623), (7, 2874564178), (14, 1437282089), (131, 153602666), (229, 87868774), (262, 76801333), (458, 43934387), (917, 21943238), (1603, 12552682), (1834, 10971619), (3206, 6276341), (29999, 670754), (47911, 419986), (59998, 335377), (95822, 209993)]