20176043290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{439661}}^1$

素因数の和:440034

約数の個数: 32

約数和(自身を含む): 39221367696

約数和(自身を除く): 19045324406

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 353, 706, 1765, 3530, 4589, 9178, 22945, 45890, 439661, 879322, 2198305, 4396610, 5715593, 11431186, 28577965, 57155930, 155200333, 310400666, 776001665, 1552003330, 2017604329, 4035208658, 10088021645, 20176043290]

約数ペア:

[(1, 20176043290), (2, 10088021645), (5, 4035208658), (10, 2017604329), (13, 1552003330), (26, 776001665), (65, 310400666), (130, 155200333), (353, 57155930), (706, 28577965), (1765, 11431186), (3530, 5715593), (4589, 4396610), (9178, 2198305), (22945, 879322), (45890, 439661)]