17220940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78277}}^1$

素因数の和:78297

約数の個数: 24

約数和(自身を含む): 39452112

約数和(自身を除く): 22231172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 78277, 156554, 313108, 391385, 782770, 861047, 1565540, 1722094, 3444188, 4305235, 8610470, 17220940]

約数ペア:

[(1, 17220940), (2, 8610470), (4, 4305235), (5, 3444188), (10, 1722094), (11, 1565540), (20, 861047), (22, 782770), (44, 391385), (55, 313108), (110, 156554), (220, 78277)]