20792457

素因数分解:

$3^4\times 7^1\times {\mathrm{36671}}^1$

素因数の和:36690

約数の個数: 20

約数和(自身を含む): 35498496

約数和(自身を除く): 14706039

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 36671, 110013, 256697, 330039, 770091, 990117, 2310273, 2970351, 6930819, 20792457]

約数ペア:

[(1, 20792457), (3, 6930819), (7, 2970351), (9, 2310273), (21, 990117), (27, 770091), (63, 330039), (81, 256697), (189, 110013), (567, 36671)]