20023939

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:486

約数の個数: 16

約数和(自身を含む): 22331232

約数和(自身を除く): 2307293

約数列:

[1, 13, 43, 113, 317, 559, 1469, 4121, 4859, 13631, 35821, 63167, 177203, 465673, 1540303, 20023939]

約数ペア:

[(1, 20023939), (13, 1540303), (43, 465673), (113, 177203), (317, 63167), (559, 35821), (1469, 13631), (4121, 4859)]