20699727

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9439}}^1$

素因数の和:9502

約数の個数: 16

約数和(自身を含む): 29905920

約数和(自身を除く): 9206193

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9439, 28317, 160463, 405877, 481389, 1217631, 6899909, 20699727]

約数ペア:

[(1, 20699727), (3, 6899909), (17, 1217631), (43, 481389), (51, 405877), (129, 160463), (731, 28317), (2193, 9439)]