20913353279

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5344583}}^1$

素因数の和:5344646

約数の個数: 16

約数和(自身を含む): 26338109952

約数和(自身を除く): 5424756673

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 5344583, 37412081, 69479579, 229817069, 486357053, 1608719483, 2987621897, 20913353279]

約数ペア:

[(1, 20913353279), (7, 2987621897), (13, 1608719483), (43, 486357053), (91, 229817069), (301, 69479579), (559, 37412081), (3913, 5344583)]