20216402050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31102157}}^1$

素因数の和:31102182

約数の個数: 24

約数和(自身を含む): 40495009716

約数和(自身を除く): 20278607666

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31102157, 62204314, 155510785, 311021570, 404328041, 777553925, 808656082, 1555107850, 2021640205, 4043280410, 10108201025, 20216402050]

約数ペア:

[(1, 20216402050), (2, 10108201025), (5, 4043280410), (10, 2021640205), (13, 1555107850), (25, 808656082), (26, 777553925), (50, 404328041), (65, 311021570), (130, 155510785), (325, 62204314), (650, 31102157)]