20180156380

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1767089}}^1$

素因数の和:1767669

約数の個数: 24

約数和(自身を含む): 42452570160

約数和(自身を除く): 22272413780

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 1767089, 3534178, 7068356, 8835445, 17670890, 35341780, 1009007819, 2018015638, 4036031276, 5045039095, 10090078190, 20180156380]

約数ペア:

[(1, 20180156380), (2, 10090078190), (4, 5045039095), (5, 4036031276), (10, 2018015638), (20, 1009007819), (571, 35341780), (1142, 17670890), (2284, 8835445), (2855, 7068356), (5710, 3534178), (11420, 1767089)]