20784849488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99927161}}^1$

素因数の和:99927182

約数の個数: 20

約数和(自身を含む): 43368388308

約数和(自身を除く): 22583538820

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99927161, 199854322, 399708644, 799417288, 1299053093, 1598834576, 2598106186, 5196212372, 10392424744, 20784849488]

約数ペア:

[(1, 20784849488), (2, 10392424744), (4, 5196212372), (8, 2598106186), (13, 1598834576), (16, 1299053093), (26, 799417288), (52, 399708644), (104, 199854322), (208, 99927161)]