20158475

素因数分解:

$5^2\times {\mathrm{139}}^1\times {\mathrm{5801}}^1$

素因数の和:5950

約数の個数: 12

約数和(自身を含む): 25180680

約数和(自身を除く): 5022205

約数列:

[1, 5, 25, 139, 695, 3475, 5801, 29005, 145025, 806339, 4031695, 20158475]

約数ペア:

[(1, 20158475), (5, 4031695), (25, 806339), (139, 145025), (695, 29005), (3475, 5801)]