20047573

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12959}}^1$

素因数の和:12996

約数の個数: 16

約数和(自身を含む): 26127360

約数和(自身を除く): 6079787

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 12959, 90713, 168467, 220303, 1179269, 1542121, 2863939, 20047573]

約数ペア:

[(1, 20047573), (7, 2863939), (13, 1542121), (17, 1179269), (91, 220303), (119, 168467), (221, 90713), (1547, 12959)]