20958740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95267}}^1$

素因数の和:95287

約数の個数: 24

約数和(自身を含む): 48015072

約数和(自身を除く): 27056332

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95267, 190534, 381068, 476335, 952670, 1047937, 1905340, 2095874, 4191748, 5239685, 10479370, 20958740]

約数ペア:

[(1, 20958740), (2, 10479370), (4, 5239685), (5, 4191748), (10, 2095874), (11, 1905340), (20, 1047937), (22, 952670), (44, 476335), (55, 381068), (110, 190534), (220, 95267)]