20775923

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3001}}^1$

素因数の和:3074

約数の個数: 16

約数和(自身を含む): 25360896

約数和(自身を除く): 4584973

約数列:

[1, 7, 23, 43, 161, 301, 989, 3001, 6923, 21007, 69023, 129043, 483161, 903301, 2967989, 20775923]

約数ペア:

[(1, 20775923), (7, 2967989), (23, 903301), (43, 483161), (161, 129043), (301, 69023), (989, 21007), (3001, 6923)]