20816127

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{443}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 31584384

約数和(自身を除く): 10768257

約数列:

[1, 3, 9, 23, 69, 207, 227, 443, 681, 1329, 2043, 3987, 5221, 10189, 15663, 30567, 46989, 91701, 100561, 301683, 905049, 2312903, 6938709, 20816127]

約数ペア:

[(1, 20816127), (3, 6938709), (9, 2312903), (23, 905049), (69, 301683), (207, 100561), (227, 91701), (443, 46989), (681, 30567), (1329, 15663), (2043, 10189), (3987, 5221)]