20023767

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5749}}^1$

素因数の和:5804

約数の個数: 20

約数和(自身を含む): 30613000

約数和(自身を除く): 10589233

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5749, 17247, 51741, 155223, 247207, 465669, 741621, 2224863, 6674589, 20023767]

約数ペア:

[(1, 20023767), (3, 6674589), (9, 2224863), (27, 741621), (43, 465669), (81, 247207), (129, 155223), (387, 51741), (1161, 17247), (3483, 5749)]