20027637

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7393}}^1$

素因数の和:7449

約数の個数: 24

約数和(自身を含む): 33834944

約数和(自身を除く): 13807307

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 7393, 22179, 51751, 66537, 155253, 317899, 465759, 953697, 2225293, 2861091, 6675879, 20027637]

約数ペア:

[(1, 20027637), (3, 6675879), (7, 2861091), (9, 2225293), (21, 953697), (43, 465759), (63, 317899), (129, 155253), (301, 66537), (387, 51751), (903, 22179), (2709, 7393)]