20957408

素因数分解:

$2^5\times {\mathrm{569}}^1\times {\mathrm{1151}}^1$

素因数の和:1730

約数の個数: 24

約数和(自身を含む): 41368320

約数和(自身を除く): 20410912

約数列:

[1, 2, 4, 8, 16, 32, 569, 1138, 1151, 2276, 2302, 4552, 4604, 9104, 9208, 18208, 18416, 36832, 654919, 1309838, 2619676, 5239352, 10478704, 20957408]

約数ペア:

[(1, 20957408), (2, 10478704), (4, 5239352), (8, 2619676), (16, 1309838), (32, 654919), (569, 36832), (1138, 18416), (1151, 18208), (2276, 9208), (2302, 9104), (4552, 4604)]