17228420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78311}}^1$

素因数の和:78331

約数の個数: 24

約数和(自身を含む): 39469248

約数和(自身を除く): 22240828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 78311, 156622, 313244, 391555, 783110, 861421, 1566220, 1722842, 3445684, 4307105, 8614210, 17228420]

約数ペア:

[(1, 17228420), (2, 8614210), (4, 4307105), (5, 3445684), (10, 1722842), (11, 1566220), (20, 861421), (22, 783110), (44, 391555), (55, 313244), (110, 156622), (220, 78311)]