20808870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{693629}}^1$

素因数の和:693639

約数の個数: 16

約数和(自身を含む): 49941360

約数和(自身を除く): 29132490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 693629, 1387258, 2080887, 3468145, 4161774, 6936290, 10404435, 20808870]

約数ペア:

[(1, 20808870), (2, 10404435), (3, 6936290), (5, 4161774), (6, 3468145), (10, 2080887), (15, 1387258), (30, 693629)]