20512157856

素因数分解:

$2^5\times 3^1\times {\mathrm{83}}^1\times {\mathrm{2574317}}^1$

素因数の和:2574413

約数の個数: 48

約数和(自身を含む): 54493163424

約数和(自身を除く): 33981005568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 83, 96, 166, 249, 332, 498, 664, 996, 1328, 1992, 2656, 3984, 7968, 2574317, 5148634, 7722951, 10297268, 15445902, 20594536, 30891804, 41189072, 61783608, 82378144, 123567216, 213668311, 247134432, 427336622, 641004933, 854673244, 1282009866, 1709346488, 2564019732, 3418692976, 5128039464, 6837385952, 10256078928, 20512157856]

約数ペア:

[(1, 20512157856), (2, 10256078928), (3, 6837385952), (4, 5128039464), (6, 3418692976), (8, 2564019732), (12, 1709346488), (16, 1282009866), (24, 854673244), (32, 641004933), (48, 427336622), (83, 247134432), (96, 213668311), (166, 123567216), (249, 82378144), (332, 61783608), (498, 41189072), (664, 30891804), (996, 20594536), (1328, 15445902), (1992, 10297268), (2656, 7722951), (3984, 5148634), (7968, 2574317)]