20120367449

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{991493}}^1$

素因数の和:991736

約数の個数: 16

約数和(自身を含む): 24874601472

約数和(自身を除く): 4754234023

約数列:

[1, 7, 13, 91, 223, 1561, 2899, 20293, 991493, 6940451, 12889409, 90225863, 221102939, 1547720573, 2874338207, 20120367449]

約数ペア:

[(1, 20120367449), (7, 2874338207), (13, 1547720573), (91, 221102939), (223, 90225863), (1561, 12889409), (2899, 6940451), (20293, 991493)]