20717180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{94169}}^1$

素因数の和:94189

約数の個数: 24

約数和(自身を含む): 47461680

約数和(自身を除く): 26744500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 94169, 188338, 376676, 470845, 941690, 1035859, 1883380, 2071718, 4143436, 5179295, 10358590, 20717180]

約数ペア:

[(1, 20717180), (2, 10358590), (4, 5179295), (5, 4143436), (10, 2071718), (11, 1883380), (20, 1035859), (22, 941690), (44, 470845), (55, 376676), (110, 188338), (220, 94169)]