20449323

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 31030272

約数和(自身を除く): 10580949

約数列:

[1, 3, 9, 23, 69, 207, 223, 443, 669, 1329, 2007, 3987, 5129, 10189, 15387, 30567, 46161, 91701, 98789, 296367, 889101, 2272147, 6816441, 20449323]

約数ペア:

[(1, 20449323), (3, 6816441), (9, 2272147), (23, 889101), (69, 296367), (207, 98789), (223, 91701), (443, 46161), (669, 30567), (1329, 15387), (2007, 10189), (3987, 5129)]