20122512306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257980927}}^1$

素因数の和:257980945

約数の個数: 16

約数和(自身を含む): 43340795904

約数和(自身を除く): 23218283598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257980927, 515961854, 773942781, 1547885562, 3353752051, 6707504102, 10061256153, 20122512306]

約数ペア:

[(1, 20122512306), (2, 10061256153), (3, 6707504102), (6, 3353752051), (13, 1547885562), (26, 773942781), (39, 515961854), (78, 257980927)]