20038291

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12953}}^1$

素因数の和:12990

約数の個数: 16

約数和(自身を含む): 26115264

約数和(自身を除く): 6076973

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 12953, 90671, 168389, 220201, 1178723, 1541407, 2862613, 20038291]

約数ペア:

[(1, 20038291), (7, 2862613), (13, 1541407), (17, 1178723), (91, 220201), (119, 168389), (221, 90671), (1547, 12953)]