20589050

素因数分解:

$2^1\times 5^2\times {\mathrm{509}}^1\times {\mathrm{809}}^1$

素因数の和:1330

約数の個数: 24

約数和(自身を含む): 38418300

約数和(自身を除く): 17829250

約数列:

[1, 2, 5, 10, 25, 50, 509, 809, 1018, 1618, 2545, 4045, 5090, 8090, 12725, 20225, 25450, 40450, 411781, 823562, 2058905, 4117810, 10294525, 20589050]

約数ペア:

[(1, 20589050), (2, 10294525), (5, 4117810), (10, 2058905), (25, 823562), (50, 411781), (509, 40450), (809, 25450), (1018, 20225), (1618, 12725), (2545, 8090), (4045, 5090)]