20120877009

素因数分解:

$3^5\times {\mathrm{82801963}}^1$

素因数の和:82801978

約数の個数: 12

約数和(自身を含む): 30139914896

約数和(自身を除く): 10019037887

約数列:

[1, 3, 9, 27, 81, 243, 82801963, 248405889, 745217667, 2235653001, 6706959003, 20120877009]

約数ペア:

[(1, 20120877009), (3, 6706959003), (9, 2235653001), (27, 745217667), (81, 248405889), (243, 82801963)]