20212445

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{33409}}^1$

素因数の和:33436

約数の個数: 12

約数和(自身を含む): 26661180

約数和(自身を除く): 6448735

約数列:

[1, 5, 11, 55, 121, 605, 33409, 167045, 367499, 1837495, 4042489, 20212445]

約数ペア:

[(1, 20212445), (5, 4042489), (11, 1837495), (55, 367499), (121, 167045), (605, 33409)]