20337021

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{4621}}^1$

素因数の和:4793

約数の個数: 16

約数和(自身を含む): 30320320

約数和(自身を除く): 9983299

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 4621, 13863, 41589, 124767, 753223, 2259669, 6779007, 20337021]

約数ペア:

[(1, 20337021), (3, 6779007), (9, 2259669), (27, 753223), (163, 124767), (489, 41589), (1467, 13863), (4401, 4621)]