20973379

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1181}}^1$

素因数の和:1290

約数の個数: 16

約数和(自身を含む): 24963840

約数和(自身を除く): 3990461

約数列:

[1, 7, 43, 59, 301, 413, 1181, 2537, 8267, 17759, 50783, 69679, 355481, 487753, 2996197, 20973379]

約数ペア:

[(1, 20973379), (7, 2996197), (43, 487753), (59, 355481), (301, 69679), (413, 50783), (1181, 17759), (2537, 8267)]