20111286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257837}}^1$

素因数の和:257855

約数の個数: 16

約数和(自身を含む): 43316784

約数和(自身を除く): 23205498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257837, 515674, 773511, 1547022, 3351881, 6703762, 10055643, 20111286]

約数ペア:

[(1, 20111286), (2, 10055643), (3, 6703762), (6, 3351881), (13, 1547022), (26, 773511), (39, 515674), (78, 257837)]