20123937

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{2579}}^1$

素因数の和:2622

約数の個数: 24

約数和(自身を含む): 31682400

約数和(自身を除く): 11558463

約数列:

[1, 3, 9, 17, 27, 51, 153, 289, 459, 867, 2579, 2601, 7737, 7803, 23211, 43843, 69633, 131529, 394587, 745331, 1183761, 2235993, 6707979, 20123937]

約数ペア:

[(1, 20123937), (3, 6707979), (9, 2235993), (17, 1183761), (27, 745331), (51, 394587), (153, 131529), (289, 69633), (459, 43843), (867, 23211), (2579, 7803), (2601, 7737)]