20040975

素因数分解:

$3^2\times 5^2\times {\mathrm{89071}}^1$

素因数の和:89087

約数の個数: 18

約数和(自身を含む): 35896016

約数和(自身を除く): 15855041

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 89071, 267213, 445355, 801639, 1336065, 2226775, 4008195, 6680325, 20040975]

約数ペア:

[(1, 20040975), (3, 6680325), (5, 4008195), (9, 2226775), (15, 1336065), (25, 801639), (45, 445355), (75, 267213), (225, 89071)]