20258343

素因数分解:

$3^4\times 7^1\times {\mathrm{35729}}^1$

素因数の和:35748

約数の個数: 20

約数和(自身を含む): 34586640

約数和(自身を除く): 14328297

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35729, 107187, 250103, 321561, 750309, 964683, 2250927, 2894049, 6752781, 20258343]

約数ペア:

[(1, 20258343), (3, 6752781), (7, 2894049), (9, 2250927), (21, 964683), (27, 750309), (63, 321561), (81, 250103), (189, 107187), (567, 35729)]