20512887772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{394478611}}^1$

素因数の和:394478628

約数の個数: 12

約数和(自身を含む): 38658903976

約数和(自身を除く): 18146016204

約数列:

[1, 2, 4, 13, 26, 52, 394478611, 788957222, 1577914444, 5128221943, 10256443886, 20512887772]

約数ペア:

[(1, 20512887772), (2, 10256443886), (4, 5128221943), (13, 1577914444), (26, 788957222), (52, 394478611)]