20512133982

素因数分解:

$2^1\times 3^6\times {\mathrm{127}}^1\times {\mathrm{110777}}^1$

素因数の和:110924

約数の個数: 56

約数和(自身を含む): 46494855936

約数和(自身を除く): 25982721954

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 127, 162, 243, 254, 381, 486, 729, 762, 1143, 1458, 2286, 3429, 6858, 10287, 20574, 30861, 61722, 92583, 110777, 185166, 221554, 332331, 664662, 996993, 1993986, 2990979, 5981958, 8972937, 14068679, 17945874, 26918811, 28137358, 42206037, 53837622, 80756433, 84412074, 126618111, 161512866, 253236222, 379854333, 759708666, 1139562999, 2279125998, 3418688997, 6837377994, 10256066991, 20512133982]

約数ペア:

[(1, 20512133982), (2, 10256066991), (3, 6837377994), (6, 3418688997), (9, 2279125998), (18, 1139562999), (27, 759708666), (54, 379854333), (81, 253236222), (127, 161512866), (162, 126618111), (243, 84412074), (254, 80756433), (381, 53837622), (486, 42206037), (729, 28137358), (762, 26918811), (1143, 17945874), (1458, 14068679), (2286, 8972937), (3429, 5981958), (6858, 2990979), (10287, 1993986), (20574, 996993), (30861, 664662), (61722, 332331), (92583, 221554), (110777, 185166)]