20267286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{259837}}^1$

素因数の和:259855

約数の個数: 16

約数和(自身を含む): 43652784

約数和(自身を除く): 23385498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 259837, 519674, 779511, 1559022, 3377881, 6755762, 10133643, 20267286]

約数ペア:

[(1, 20267286), (2, 10133643), (3, 6755762), (6, 3377881), (13, 1559022), (26, 779511), (39, 519674), (78, 259837)]