20569495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5281}}^1$

素因数の和:5346

約数の個数: 16

約数和(自身を含む): 26621280

約数和(自身を除く): 6051785

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 5281, 26405, 100339, 216521, 501695, 1082605, 4113899, 20569495]

約数ペア:

[(1, 20569495), (5, 4113899), (19, 1082605), (41, 501695), (95, 216521), (205, 100339), (779, 26405), (3895, 5281)]