20028082165

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44017763}}^1$

素因数の和:44017788

約数の個数: 16

約数和(自身を含む): 29579937408

約数和(自身を除く): 9551855243

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 44017763, 220088815, 308124341, 572230919, 1540621705, 2861154595, 4005616433, 20028082165]

約数ペア:

[(1, 20028082165), (5, 4005616433), (7, 2861154595), (13, 1540621705), (35, 572230919), (65, 308124341), (91, 220088815), (455, 44017763)]