20149769986

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{45557}}^1$

素因数の和:45778

約数の個数: 32

約数和(自身を含む): 31992649920

約数和(自身を除く): 11842879934

約数列:

[1, 2, 37, 43, 74, 86, 139, 278, 1591, 3182, 5143, 5977, 10286, 11954, 45557, 91114, 221149, 442298, 1685609, 1958951, 3371218, 3917902, 6332423, 12664846, 72481187, 144962374, 234299651, 272294189, 468599302, 544588378, 10074884993, 20149769986]

約数ペア:

[(1, 20149769986), (2, 10074884993), (37, 544588378), (43, 468599302), (74, 272294189), (86, 234299651), (139, 144962374), (278, 72481187), (1591, 12664846), (3182, 6332423), (5143, 3917902), (5977, 3371218), (10286, 1958951), (11954, 1685609), (45557, 442298), (91114, 221149)]