20307050

素因数分解:

$2^1\times 5^2\times {\mathrm{461}}^1\times {\mathrm{881}}^1$

素因数の和:1354

約数の個数: 24

約数和(自身を含む): 37896012

約数和(自身を除く): 17588962

約数列:

[1, 2, 5, 10, 25, 50, 461, 881, 922, 1762, 2305, 4405, 4610, 8810, 11525, 22025, 23050, 44050, 406141, 812282, 2030705, 4061410, 10153525, 20307050]

約数ペア:

[(1, 20307050), (2, 10153525), (5, 4061410), (10, 2030705), (25, 812282), (50, 406141), (461, 44050), (881, 23050), (922, 22025), (1762, 11525), (2305, 8810), (4405, 4610)]