20616565580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79294483}}^1$

素因数の和:79294505

約数の個数: 24

約数和(自身を含む): 46625156592

約数和(自身を除く): 26008591012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 79294483, 158588966, 317177932, 396472415, 792944830, 1030828279, 1585889660, 2061656558, 4123313116, 5154141395, 10308282790, 20616565580]

約数ペア:

[(1, 20616565580), (2, 10308282790), (4, 5154141395), (5, 4123313116), (10, 2061656558), (13, 1585889660), (20, 1030828279), (26, 792944830), (52, 396472415), (65, 317177932), (130, 158588966), (260, 79294483)]