20962750

素因数分解:

$2^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 39828672

約数和(自身を除く): 18865922

約数列:

[1, 2, 5, 10, 25, 50, 71, 125, 142, 250, 355, 710, 1181, 1775, 2362, 3550, 5905, 8875, 11810, 17750, 29525, 59050, 83851, 147625, 167702, 295250, 419255, 838510, 2096275, 4192550, 10481375, 20962750]

約数ペア:

[(1, 20962750), (2, 10481375), (5, 4192550), (10, 2096275), (25, 838510), (50, 419255), (71, 295250), (125, 167702), (142, 147625), (250, 83851), (355, 59050), (710, 29525), (1181, 17750), (1775, 11810), (2362, 8875), (3550, 5905)]