20216664856

素因数分解:

$2^3\times {\mathrm{317}}^1\times {\mathrm{7971871}}^1$

素因数の和:7972194

約数の個数: 16

約数和(自身を含む): 38025829440

約数和(自身を除く): 17809164584

約数列:

[1, 2, 4, 8, 317, 634, 1268, 2536, 7971871, 15943742, 31887484, 63774968, 2527083107, 5054166214, 10108332428, 20216664856]

約数ペア:

[(1, 20216664856), (2, 10108332428), (4, 5054166214), (8, 2527083107), (317, 63774968), (634, 31887484), (1268, 15943742), (2536, 7971871)]