20215265

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4409}}^1$

素因数の和:4552

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 7726495

約数列:

[1, 5, 7, 35, 131, 655, 917, 4409, 4585, 22045, 30863, 154315, 577579, 2887895, 4043053, 20215265]

約数ペア:

[(1, 20215265), (5, 4043053), (7, 2887895), (35, 577579), (131, 154315), (655, 30863), (917, 22045), (4409, 4585)]