20417980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92809}}^1$

素因数の和:92829

約数の個数: 24

約数和(自身を含む): 46776240

約数和(自身を除く): 26358260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 92809, 185618, 371236, 464045, 928090, 1020899, 1856180, 2041798, 4083596, 5104495, 10208990, 20417980]

約数ペア:

[(1, 20417980), (2, 10208990), (4, 5104495), (5, 4083596), (10, 2041798), (11, 1856180), (20, 1020899), (22, 928090), (44, 464045), (55, 371236), (110, 185618), (220, 92809)]