20030123

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{1097}}^1$

素因数の和:1178

約数の個数: 12

約数和(自身を含む): 21806280

約数和(自身を除く): 1776157

約数列:

[1, 19, 31, 589, 961, 1097, 18259, 20843, 34007, 646133, 1054217, 20030123]

約数ペア:

[(1, 20030123), (19, 1054217), (31, 646133), (589, 34007), (961, 20843), (1097, 18259)]