20512128965

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5021329}}^1$

素因数の和:5021396

約数の個数: 16

約数和(自身を含む): 26512622400

約数和(自身を除く): 6000493435

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 5021329, 25106645, 95405251, 215917147, 477026255, 1079585735, 4102425793, 20512128965]

約数ペア:

[(1, 20512128965), (5, 4102425793), (19, 1079585735), (43, 477026255), (95, 215917147), (215, 95405251), (817, 25106645), (4085, 5021329)]