20210581420

素因数分解:

$2^2\times 5^1\times {\mathrm{3191}}^1\times {\mathrm{316681}}^1$

素因数の和:319881

約数の個数: 24

約数和(自身を含む): 42455655648

約数和(自身を除く): 22245074228

約数列:

[1, 2, 4, 5, 10, 20, 3191, 6382, 12764, 15955, 31910, 63820, 316681, 633362, 1266724, 1583405, 3166810, 6333620, 1010529071, 2021058142, 4042116284, 5052645355, 10105290710, 20210581420]

約数ペア:

[(1, 20210581420), (2, 10105290710), (4, 5052645355), (5, 4042116284), (10, 2021058142), (20, 1010529071), (3191, 6333620), (6382, 3166810), (12764, 1583405), (15955, 1266724), (31910, 633362), (63820, 316681)]