20530490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3881}}^1$

素因数の和:3934

約数の個数: 24

約数和(自身を含む): 38641428

約数和(自身を除く): 18110938

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 3881, 5290, 7762, 19405, 38810, 89263, 178526, 446315, 892630, 2053049, 4106098, 10265245, 20530490]

約数ペア:

[(1, 20530490), (2, 10265245), (5, 4106098), (10, 2053049), (23, 892630), (46, 446315), (115, 178526), (230, 89263), (529, 38810), (1058, 19405), (2645, 7762), (3881, 5290)]