20461255

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:858

約数の個数: 16

約数和(自身を含む): 25357248

約数和(自身を除く): 4895993

約数列:

[1, 5, 41, 151, 205, 661, 755, 3305, 6191, 27101, 30955, 99811, 135505, 499055, 4092251, 20461255]

約数ペア:

[(1, 20461255), (5, 4092251), (41, 499055), (151, 135505), (205, 99811), (661, 30955), (755, 27101), (3305, 6191)]