20467525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 27748224

約数和(自身を除く): 7280699

約数列:

[1, 5, 13, 25, 65, 71, 325, 355, 887, 923, 1775, 4435, 4615, 11531, 22175, 23075, 57655, 62977, 288275, 314885, 818701, 1574425, 4093505, 20467525]

約数ペア:

[(1, 20467525), (5, 4093505), (13, 1574425), (25, 818701), (65, 314885), (71, 288275), (325, 62977), (355, 57655), (887, 23075), (923, 22175), (1775, 11531), (4435, 4615)]