20713173

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27953}}^1$

素因数の和:27988

約数の個数: 16

約数和(自身を含む): 31308480

約数和(自身を除く): 10595307

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 27953, 83859, 363389, 531107, 1090167, 1593321, 6904391, 20713173]

約数ペア:

[(1, 20713173), (3, 6904391), (13, 1593321), (19, 1090167), (39, 531107), (57, 363389), (247, 83859), (741, 27953)]