20906391

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{2719}}^1$

素因数の和:2966

約数の個数: 16

約数和(自身を含む): 30551040

約数和(自身を除く): 9644649

約数列:

[1, 3, 11, 33, 233, 699, 2563, 2719, 7689, 8157, 29909, 89727, 633527, 1900581, 6968797, 20906391]

約数ペア:

[(1, 20906391), (3, 6968797), (11, 1900581), (33, 633527), (233, 89727), (699, 29909), (2563, 8157), (2719, 7689)]