20927727

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2903}}^1$

素因数の和:3004

約数の個数: 20

約数和(自身を含む): 31624560

約数和(自身を除く): 10696833

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 2903, 7209, 8709, 26127, 78381, 235143, 258367, 775101, 2325303, 6975909, 20927727]

約数ペア:

[(1, 20927727), (3, 6975909), (9, 2325303), (27, 775101), (81, 258367), (89, 235143), (267, 78381), (801, 26127), (2403, 8709), (2903, 7209)]