20808101870

素因数分解:

$2^1\times 5^1\times {\mathrm{3929}}^1\times {\mathrm{529603}}^1$

素因数の和:533539

約数の個数: 16

約数和(自身を含む): 37464186960

約数和(自身を除く): 16656085090

約数列:

[1, 2, 5, 10, 3929, 7858, 19645, 39290, 529603, 1059206, 2648015, 5296030, 2080810187, 4161620374, 10404050935, 20808101870]

約数ペア:

[(1, 20808101870), (2, 10404050935), (5, 4161620374), (10, 2080810187), (3929, 5296030), (7858, 2648015), (19645, 1059206), (39290, 529603)]