20189537532

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{953}}^1\times {\mathrm{2789}}^1$

素因数の和:3963

約数の個数: 72

約数和(自身を含む): 51348744720

約数和(自身を除く): 31159207188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 953, 1266, 1899, 1906, 2532, 2789, 2859, 3798, 3812, 5578, 5718, 7596, 8367, 8577, 11156, 11436, 16734, 17154, 25101, 33468, 34308, 50202, 100404, 201083, 402166, 588479, 603249, 804332, 1176958, 1206498, 1765437, 1809747, 2353916, 2412996, 2657917, 3530874, 3619494, 5296311, 5315834, 7061748, 7238988, 7973751, 10592622, 10631668, 15947502, 21185244, 23921253, 31895004, 47842506, 95685012, 560820487, 1121640974, 1682461461, 2243281948, 3364922922, 5047384383, 6729845844, 10094768766, 20189537532]

約数ペア:

[(1, 20189537532), (2, 10094768766), (3, 6729845844), (4, 5047384383), (6, 3364922922), (9, 2243281948), (12, 1682461461), (18, 1121640974), (36, 560820487), (211, 95685012), (422, 47842506), (633, 31895004), (844, 23921253), (953, 21185244), (1266, 15947502), (1899, 10631668), (1906, 10592622), (2532, 7973751), (2789, 7238988), (2859, 7061748), (3798, 5315834), (3812, 5296311), (5578, 3619494), (5718, 3530874), (7596, 2657917), (8367, 2412996), (8577, 2353916), (11156, 1809747), (11436, 1765437), (16734, 1206498), (17154, 1176958), (25101, 804332), (33468, 603249), (34308, 588479), (50202, 402166), (100404, 201083)]