20427544

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{3863}}^1$

素因数の和:4530

約数の個数: 16

約数和(自身を含む): 38369520

約数和(自身を除く): 17941976

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 3863, 5288, 7726, 15452, 30904, 2553443, 5106886, 10213772, 20427544]

約数ペア:

[(1, 20427544), (2, 10213772), (4, 5106886), (8, 2553443), (661, 30904), (1322, 15452), (2644, 7726), (3863, 5288)]