20868081

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{18451}}^1$

素因数の和:18496

約数の個数: 16

約数和(自身を含む): 30999360

約数和(自身を除く): 10131279

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 18451, 55353, 239863, 535079, 719589, 1605237, 6956027, 20868081]

約数ペア:

[(1, 20868081), (3, 6956027), (13, 1605237), (29, 719589), (39, 535079), (87, 239863), (377, 55353), (1131, 18451)]