20728176

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{1259}}^1$

素因数の和:1291

約数の個数: 80

約数和(自身を含む): 62496000

約数和(自身を除く): 41767824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 343, 392, 588, 686, 784, 1029, 1176, 1259, 1372, 2058, 2352, 2518, 2744, 3777, 4116, 5036, 5488, 7554, 8232, 8813, 10072, 15108, 16464, 17626, 20144, 26439, 30216, 35252, 52878, 60432, 61691, 70504, 105756, 123382, 141008, 185073, 211512, 246764, 370146, 423024, 431837, 493528, 740292, 863674, 987056, 1295511, 1480584, 1727348, 2591022, 2961168, 3454696, 5182044, 6909392, 10364088, 20728176]

約数ペア:

[(1, 20728176), (2, 10364088), (3, 6909392), (4, 5182044), (6, 3454696), (7, 2961168), (8, 2591022), (12, 1727348), (14, 1480584), (16, 1295511), (21, 987056), (24, 863674), (28, 740292), (42, 493528), (48, 431837), (49, 423024), (56, 370146), (84, 246764), (98, 211512), (112, 185073), (147, 141008), (168, 123382), (196, 105756), (294, 70504), (336, 61691), (343, 60432), (392, 52878), (588, 35252), (686, 30216), (784, 26439), (1029, 20144), (1176, 17626), (1259, 16464), (1372, 15108), (2058, 10072), (2352, 8813), (2518, 8232), (2744, 7554), (3777, 5488), (4116, 5036)]