20798875

素因数分解:

$5^3\times {\mathrm{227}}^1\times {\mathrm{733}}^1$

素因数の和:975

約数の個数: 16

約数和(自身を含む): 26106912

約数和(自身を除く): 5308037

約数列:

[1, 5, 25, 125, 227, 733, 1135, 3665, 5675, 18325, 28375, 91625, 166391, 831955, 4159775, 20798875]

約数ペア:

[(1, 20798875), (5, 4159775), (25, 831955), (125, 166391), (227, 91625), (733, 28375), (1135, 18325), (3665, 5675)]