20518610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{293123}}^1$

素因数の和:293137

約数の個数: 16

約数和(自身を含む): 42209856

約数和(自身を除く): 21691246

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 293123, 586246, 1465615, 2051861, 2931230, 4103722, 10259305, 20518610]

約数ペア:

[(1, 20518610), (2, 10259305), (5, 4103722), (7, 2931230), (10, 2051861), (14, 1465615), (35, 586246), (70, 293123)]