20662021

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 22752576

約数和(自身を除く): 2090555

約数列:

[1, 17, 37, 107, 307, 629, 1819, 3959, 5219, 11359, 32849, 67303, 193103, 558433, 1215413, 20662021]

約数ペア:

[(1, 20662021), (17, 1215413), (37, 558433), (107, 193103), (307, 67303), (629, 32849), (1819, 11359), (3959, 5219)]