20682957

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6971}}^1$

素因数の和:7040

約数の個数: 16

約数和(自身を含む): 29449728

約数和(自身を除く): 8766771

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6971, 20913, 160333, 299753, 480999, 899259, 6894319, 20682957]

約数ペア:

[(1, 20682957), (3, 6894319), (23, 899259), (43, 480999), (69, 299753), (129, 160333), (989, 20913), (2967, 6971)]