20512991510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{186481741}}^1$

素因数の和:186481759

約数の個数: 16

約数和(自身を含む): 40280056272

約数和(自身を除く): 19767064762

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 186481741, 372963482, 932408705, 1864817410, 2051299151, 4102598302, 10256495755, 20512991510]

約数ペア:

[(1, 20512991510), (2, 10256495755), (5, 4102598302), (10, 2051299151), (11, 1864817410), (22, 932408705), (55, 372963482), (110, 186481741)]