20050329

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 29408832

約数和(自身を除く): 9358503

約数列:

[1, 3, 13, 39, 71, 169, 213, 507, 557, 923, 1671, 2769, 7241, 11999, 21723, 35997, 39547, 94133, 118641, 282399, 514111, 1542333, 6683443, 20050329]

約数ペア:

[(1, 20050329), (3, 6683443), (13, 1542333), (39, 514111), (71, 282399), (169, 118641), (213, 94133), (507, 39547), (557, 35997), (923, 21723), (1671, 11999), (2769, 7241)]