20652460

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4549}}^1$

素因数の和:4785

約数の個数: 24

約数和(自身を含む): 43570800

約数和(自身を除く): 22918340

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 4549, 9098, 18196, 22745, 45490, 90980, 1032623, 2065246, 4130492, 5163115, 10326230, 20652460]

約数ペア:

[(1, 20652460), (2, 10326230), (4, 5163115), (5, 4130492), (10, 2065246), (20, 1032623), (227, 90980), (454, 45490), (908, 22745), (1135, 18196), (2270, 9098), (4540, 4549)]