20180859980

素因数分解:

$2^2\times 5^1\times {\mathrm{11311}}^1\times {\mathrm{89209}}^1$

素因数の和:100529

約数の個数: 24

約数和(自身を含む): 42384027840

約数和(自身を除く): 22203167860

約数列:

[1, 2, 4, 5, 10, 20, 11311, 22622, 45244, 56555, 89209, 113110, 178418, 226220, 356836, 446045, 892090, 1784180, 1009042999, 2018085998, 4036171996, 5045214995, 10090429990, 20180859980]

約数ペア:

[(1, 20180859980), (2, 10090429990), (4, 5045214995), (5, 4036171996), (10, 2018085998), (20, 1009042999), (11311, 1784180), (22622, 892090), (45244, 446045), (56555, 356836), (89209, 226220), (113110, 178418)]