20768481

素因数分解:

$3^6\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:968

約数の個数: 28

約数和(自身を含む): 32177920

約数和(自身を除く): 11409439

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 729, 837, 919, 2511, 2757, 7533, 8271, 22599, 24813, 28489, 74439, 85467, 223317, 256401, 669951, 769203, 2307609, 6922827, 20768481]

約数ペア:

[(1, 20768481), (3, 6922827), (9, 2307609), (27, 769203), (31, 669951), (81, 256401), (93, 223317), (243, 85467), (279, 74439), (729, 28489), (837, 24813), (919, 22599), (2511, 8271), (2757, 7533)]