20257486572

素因数分解:

$2^2\times 3^1\times {\mathrm{521}}^1\times {\mathrm{3240161}}^1$

素因数の和:3240689

約数の個数: 24

約数和(自身を含む): 47358207792

約数和(自身を除く): 27100721220

約数列:

[1, 2, 3, 4, 6, 12, 521, 1042, 1563, 2084, 3126, 6252, 3240161, 6480322, 9720483, 12960644, 19440966, 38881932, 1688123881, 3376247762, 5064371643, 6752495524, 10128743286, 20257486572]

約数ペア:

[(1, 20257486572), (2, 10128743286), (3, 6752495524), (4, 5064371643), (6, 3376247762), (12, 1688123881), (521, 38881932), (1042, 19440966), (1563, 12960644), (2084, 9720483), (3126, 6480322), (6252, 3240161)]