20420514

素因数分解:

$2^1\times 3^2\times {\mathrm{887}}^1\times {\mathrm{1279}}^1$

素因数の和:2174

約数の個数: 24

約数和(自身を含む): 44328960

約数和(自身を除く): 23908446

約数列:

[1, 2, 3, 6, 9, 18, 887, 1279, 1774, 2558, 2661, 3837, 5322, 7674, 7983, 11511, 15966, 23022, 1134473, 2268946, 3403419, 6806838, 10210257, 20420514]

約数ペア:

[(1, 20420514), (2, 10210257), (3, 6806838), (6, 3403419), (9, 2268946), (18, 1134473), (887, 23022), (1279, 15966), (1774, 11511), (2558, 7983), (2661, 7674), (3837, 5322)]