20082800560

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{744911}}^1$

素因数の和:745261

約数の個数: 40

約数和(自身を含む): 46831127616

約数和(自身を除く): 26748327056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 1348, 1685, 2696, 3370, 5392, 6740, 13480, 26960, 744911, 1489822, 2979644, 3724555, 5959288, 7449110, 11918576, 14898220, 29796440, 59592880, 251035007, 502070014, 1004140028, 1255175035, 2008280056, 2510350070, 4016560112, 5020700140, 10041400280, 20082800560]

約数ペア:

[(1, 20082800560), (2, 10041400280), (4, 5020700140), (5, 4016560112), (8, 2510350070), (10, 2008280056), (16, 1255175035), (20, 1004140028), (40, 502070014), (80, 251035007), (337, 59592880), (674, 29796440), (1348, 14898220), (1685, 11918576), (2696, 7449110), (3370, 5959288), (5392, 3724555), (6740, 2979644), (13480, 1489822), (26960, 744911)]