223832020

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{21481}}^1$

素因数の和:22011

約数の個数: 24

約数和(自身を含む): 470971368

約数和(自身を除く): 247139348

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 21481, 42962, 85924, 107405, 214810, 429620, 11191601, 22383202, 44766404, 55958005, 111916010, 223832020]

約数ペア:

[(1, 223832020), (2, 111916010), (4, 55958005), (5, 44766404), (10, 22383202), (20, 11191601), (521, 429620), (1042, 214810), (2084, 107405), (2605, 85924), (5210, 42962), (10420, 21481)]