20900537

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3019}}^1$

素因数の和:3092

約数の個数: 16

約数和(自身を含む): 25512960

約数和(自身を除く): 4612423

約数列:

[1, 7, 23, 43, 161, 301, 989, 3019, 6923, 21133, 69437, 129817, 486059, 908719, 2985791, 20900537]

約数ペア:

[(1, 20900537), (7, 2985791), (23, 908719), (43, 486059), (161, 129817), (301, 69437), (989, 21133), (3019, 6923)]