20130916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3833}}^1$

素因数の和:3951

約数の個数: 24

約数和(自身を含む): 38324664

約数和(自身を除く): 18193748

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 3833, 5252, 7666, 15332, 49829, 99658, 199316, 387133, 774266, 1548532, 5032729, 10065458, 20130916]

約数ペア:

[(1, 20130916), (2, 10065458), (4, 5032729), (13, 1548532), (26, 774266), (52, 387133), (101, 199316), (202, 99658), (404, 49829), (1313, 15332), (2626, 7666), (3833, 5252)]