20162765380

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3922717}}^1$

素因数の和:3922983

約数の個数: 24

約数和(自身を含む): 42506572248

約数和(自身を除く): 22343806868

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 3922717, 7845434, 15690868, 19613585, 39227170, 78454340, 1008138269, 2016276538, 4032553076, 5040691345, 10081382690, 20162765380]

約数ペア:

[(1, 20162765380), (2, 10081382690), (4, 5040691345), (5, 4032553076), (10, 2016276538), (20, 1008138269), (257, 78454340), (514, 39227170), (1028, 19613585), (1285, 15690868), (2570, 7845434), (5140, 3922717)]