20749263

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{673}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 28469760

約数和(自身を除く): 7720497

約数列:

[1, 3, 43, 129, 239, 673, 717, 2019, 10277, 28939, 30831, 86817, 160847, 482541, 6916421, 20749263]

約数ペア:

[(1, 20749263), (3, 6916421), (43, 482541), (129, 160847), (239, 86817), (673, 30831), (717, 28939), (2019, 10277)]