17826820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81031}}^1$

素因数の和:81051

約数の個数: 24

約数和(自身を含む): 40840128

約数和(自身を除く): 23013308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 81031, 162062, 324124, 405155, 810310, 891341, 1620620, 1782682, 3565364, 4456705, 8913410, 17826820]

約数ペア:

[(1, 17826820), (2, 8913410), (4, 4456705), (5, 3565364), (10, 1782682), (11, 1620620), (20, 891341), (22, 810310), (44, 405155), (55, 324124), (110, 162062), (220, 81031)]