20498697

素因数分解:

$3^3\times {\mathrm{307}}^1\times {\mathrm{2473}}^1$

素因数の和:2789

約数の個数: 16

約数和(自身を含む): 30479680

約数和(自身を除く): 9980983

約数列:

[1, 3, 9, 27, 307, 921, 2473, 2763, 7419, 8289, 22257, 66771, 759211, 2277633, 6832899, 20498697]

約数ペア:

[(1, 20498697), (3, 6832899), (9, 2277633), (27, 759211), (307, 66771), (921, 22257), (2473, 8289), (2763, 7419)]