20681046

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{15739}}^1$

素因数の和:15820

約数の個数: 24

約数和(自身を含む): 45425640

約数和(自身を除く): 24744594

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 15739, 31478, 47217, 94434, 141651, 283302, 1148947, 2297894, 3446841, 6893682, 10340523, 20681046]

約数ペア:

[(1, 20681046), (2, 10340523), (3, 6893682), (6, 3446841), (9, 2297894), (18, 1148947), (73, 283302), (146, 141651), (219, 94434), (438, 47217), (657, 31478), (1314, 15739)]