20512541315

素因数分解:

$5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1322963}}^1$

素因数の和:1323418

約数の個数: 16

約数和(自身を含む): 28195008768

約数和(自身を除く): 7682467453

約数列:

[1, 5, 7, 35, 443, 2215, 3101, 15505, 1322963, 6614815, 9260741, 46303705, 586072609, 2930363045, 4102508263, 20512541315]

約数ペア:

[(1, 20512541315), (5, 4102508263), (7, 2930363045), (35, 586072609), (443, 46303705), (2215, 9260741), (3101, 6614815), (15505, 1322963)]