13020985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3343}}^1$

素因数の和:3408

約数の個数: 16

約数和(自身を含む): 16853760

約数和(自身を除く): 3832775

約数列:

[1, 5, 19, 41, 95, 205, 779, 3343, 3895, 16715, 63517, 137063, 317585, 685315, 2604197, 13020985]

約数ペア:

[(1, 13020985), (5, 2604197), (19, 685315), (41, 317585), (95, 137063), (205, 63517), (779, 16715), (3343, 3895)]