20611875

素因数分解:

$3^1\times 5^4\times {\mathrm{10993}}^1$

素因数の和:11016

約数の個数: 20

約数和(自身を含む): 34345256

約数和(自身を除く): 13733381

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 10993, 32979, 54965, 164895, 274825, 824475, 1374125, 4122375, 6870625, 20611875]

約数ペア:

[(1, 20611875), (3, 6870625), (5, 4122375), (15, 1374125), (25, 824475), (75, 274825), (125, 164895), (375, 54965), (625, 32979), (1875, 10993)]