20814003

素因数分解:

$3^4\times 7^1\times {\mathrm{36709}}^1$

素因数の和:36728

約数の個数: 20

約数和(自身を含む): 35535280

約数和(自身を除く): 14721277

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 36709, 110127, 256963, 330381, 770889, 991143, 2312667, 2973429, 6938001, 20814003]

約数ペア:

[(1, 20814003), (3, 6938001), (7, 2973429), (9, 2312667), (21, 991143), (27, 770889), (63, 330381), (81, 256963), (189, 110127), (567, 36709)]