20928558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4657}}^1$

素因数の和:4776

約数の個数: 32

約数和(自身を含む): 48294144

約数和(自身を除く): 27365586

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4494, 4657, 9314, 13971, 27942, 32599, 65198, 97797, 195594, 498299, 996598, 1494897, 2989794, 3488093, 6976186, 10464279, 20928558]

約数ペア:

[(1, 20928558), (2, 10464279), (3, 6976186), (6, 3488093), (7, 2989794), (14, 1494897), (21, 996598), (42, 498299), (107, 195594), (214, 97797), (321, 65198), (642, 32599), (749, 27942), (1498, 13971), (2247, 9314), (4494, 4657)]