20884039245

素因数分解:

$3^4\times 5^1\times {\mathrm{51565529}}^1$

素因数の和:51565546

約数の個数: 20

約数和(自身を含む): 37436574780

約数和(自身を除く): 16552535535

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 51565529, 154696587, 257827645, 464089761, 773482935, 1392269283, 2320448805, 4176807849, 6961346415, 20884039245]

約数ペア:

[(1, 20884039245), (3, 6961346415), (5, 4176807849), (9, 2320448805), (15, 1392269283), (27, 773482935), (45, 464089761), (81, 257827645), (135, 154696587), (405, 51565529)]