20202955

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 25048800

約数和(自身を除く): 4845845

約数列:

[1, 5, 41, 139, 205, 695, 709, 3545, 5699, 28495, 29069, 98551, 145345, 492755, 4040591, 20202955]

約数ペア:

[(1, 20202955), (5, 4040591), (41, 492755), (139, 145345), (205, 98551), (695, 29069), (709, 28495), (3545, 5699)]