20285369

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4831}}^1$

素因数の和:4880

約数の個数: 16

約数和(自身を含む): 24353280

約数和(自身を除く): 4067911

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4831, 62803, 82127, 91789, 1067651, 1193257, 1560413, 20285369]

約数ペア:

[(1, 20285369), (13, 1560413), (17, 1193257), (19, 1067651), (221, 91789), (247, 82127), (323, 62803), (4199, 4831)]