20451305

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{5171}}^1$

素因数の和:5296

約数の個数: 16

約数和(自身を含む): 28301184

約数和(自身を除く): 7849879

約数列:

[1, 5, 7, 35, 113, 565, 791, 3955, 5171, 25855, 36197, 180985, 584323, 2921615, 4090261, 20451305]

約数ペア:

[(1, 20451305), (5, 4090261), (7, 2921615), (35, 584323), (113, 180985), (565, 36197), (791, 25855), (3955, 5171)]