20492633

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 25662312

約数和(自身を除く): 5169679

約数列:

[1, 7, 17, 49, 73, 119, 337, 511, 833, 1241, 2359, 3577, 5729, 8687, 16513, 24601, 40103, 60809, 172207, 280721, 418217, 1205449, 2927519, 20492633]

約数ペア:

[(1, 20492633), (7, 2927519), (17, 1205449), (49, 418217), (73, 280721), (119, 172207), (337, 60809), (511, 40103), (833, 24601), (1241, 16513), (2359, 8687), (3577, 5729)]