20798127

素因数分解:

$3^5\times 7^1\times {\mathrm{12227}}^1$

素因数の和:12249

約数の個数: 24

約数和(自身を含む): 35607936

約数和(自身を除く): 14809809

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 12227, 36681, 85589, 110043, 256767, 330129, 770301, 990387, 2310903, 2971161, 6932709, 20798127]

約数ペア:

[(1, 20798127), (3, 6932709), (7, 2971161), (9, 2310903), (21, 990387), (27, 770301), (63, 330129), (81, 256767), (189, 110043), (243, 85589), (567, 36681), (1701, 12227)]