20237375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{8521}}^1$

素因数の和:8555

約数の個数: 16

約数和(自身を含む): 26588640

約数和(自身を除く): 6351265

約数列:

[1, 5, 19, 25, 95, 125, 475, 2375, 8521, 42605, 161899, 213025, 809495, 1065125, 4047475, 20237375]

約数ペア:

[(1, 20237375), (5, 4047475), (19, 1065125), (25, 809495), (95, 213025), (125, 161899), (475, 42605), (2375, 8521)]