20826875

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:776

約数の個数: 20

約数和(自身を含む): 26616480

約数和(自身を除く): 5789605

約数列:

[1, 5, 25, 47, 125, 235, 625, 709, 1175, 3545, 5875, 17725, 29375, 33323, 88625, 166615, 443125, 833075, 4165375, 20826875]

約数ペア:

[(1, 20826875), (5, 4165375), (25, 833075), (47, 443125), (125, 166615), (235, 88625), (625, 33323), (709, 29375), (1175, 17725), (3545, 5875)]