20882275

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{1579}}^1$

素因数の和:1635

約数の個数: 18

約数和(自身を含む): 27085940

約数和(自身を除く): 6203665

約数列:

[1, 5, 23, 25, 115, 529, 575, 1579, 2645, 7895, 13225, 36317, 39475, 181585, 835291, 907925, 4176455, 20882275]

約数ペア:

[(1, 20882275), (5, 4176455), (23, 907925), (25, 835291), (115, 181585), (529, 39475), (575, 36317), (1579, 13225), (2645, 7895)]