20400110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5651}}^1$

素因数の和:5696

約数の個数: 24

約数和(自身を含む): 38761416

約数和(自身を除く): 18361306

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5651, 11302, 28255, 56510, 107369, 214738, 536845, 1073690, 2040011, 4080022, 10200055, 20400110]

約数ペア:

[(1, 20400110), (2, 10200055), (5, 4080022), (10, 2040011), (19, 1073690), (38, 536845), (95, 214738), (190, 107369), (361, 56510), (722, 28255), (1805, 11302), (3610, 5651)]