20090871580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77272583}}^1$

素因数の和:77272605

約数の個数: 24

約数和(自身を含む): 45436279392

約数和(自身を除く): 25345407812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77272583, 154545166, 309090332, 386362915, 772725830, 1004543579, 1545451660, 2009087158, 4018174316, 5022717895, 10045435790, 20090871580]

約数ペア:

[(1, 20090871580), (2, 10045435790), (4, 5022717895), (5, 4018174316), (10, 2009087158), (13, 1545451660), (20, 1004543579), (26, 772725830), (52, 386362915), (65, 309090332), (130, 154545166), (260, 77272583)]