20453337

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 31539200

約数和(自身を除く): 11085863

約数列:

[1, 3, 9, 27, 43, 79, 129, 223, 237, 387, 669, 711, 1161, 2007, 2133, 3397, 6021, 9589, 10191, 17617, 28767, 30573, 52851, 86301, 91719, 158553, 258903, 475659, 757531, 2272593, 6817779, 20453337]

約数ペア:

[(1, 20453337), (3, 6817779), (9, 2272593), (27, 757531), (43, 475659), (79, 258903), (129, 158553), (223, 91719), (237, 86301), (387, 52851), (669, 30573), (711, 28767), (1161, 17617), (2007, 10191), (2133, 9589), (3397, 6021)]