20460025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{19961}}^1$

素因数の和:20012

約数の個数: 12

約数和(自身を含む): 25990524

約数和(自身を除く): 5530499

約数列:

[1, 5, 25, 41, 205, 1025, 19961, 99805, 499025, 818401, 4092005, 20460025]

約数ペア:

[(1, 20460025), (5, 4092005), (25, 818401), (41, 499025), (205, 99805), (1025, 19961)]