20486510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16931}}^1$

素因数の和:16960

約数の個数: 24

約数和(自身を含む): 40535208

約数和(自身を除く): 20048698

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16931, 33862, 84655, 169310, 186241, 372482, 931205, 1862410, 2048651, 4097302, 10243255, 20486510]

約数ペア:

[(1, 20486510), (2, 10243255), (5, 4097302), (10, 2048651), (11, 1862410), (22, 931205), (55, 372482), (110, 186241), (121, 169310), (242, 84655), (605, 33862), (1210, 16931)]