20174317312

素因数分解:

$2^8\times {\mathrm{83}}^1\times {\mathrm{941}}^1\times {\mathrm{1009}}^1$

素因数の和:2049

約数の個数: 72

約数和(自身を含む): 40838752080

約数和(自身を除く): 20664434768

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 332, 664, 941, 1009, 1328, 1882, 2018, 2656, 3764, 4036, 5312, 7528, 8072, 10624, 15056, 16144, 21248, 30112, 32288, 60224, 64576, 78103, 83747, 120448, 129152, 156206, 167494, 240896, 258304, 312412, 334988, 624824, 669976, 949469, 1249648, 1339952, 1898938, 2499296, 2679904, 3797876, 4998592, 5359808, 7595752, 9997184, 10719616, 15191504, 19994368, 21439232, 30383008, 60766016, 78805927, 121532032, 157611854, 243064064, 315223708, 630447416, 1260894832, 2521789664, 5043579328, 10087158656, 20174317312]

約数ペア:

[(1, 20174317312), (2, 10087158656), (4, 5043579328), (8, 2521789664), (16, 1260894832), (32, 630447416), (64, 315223708), (83, 243064064), (128, 157611854), (166, 121532032), (256, 78805927), (332, 60766016), (664, 30383008), (941, 21439232), (1009, 19994368), (1328, 15191504), (1882, 10719616), (2018, 9997184), (2656, 7595752), (3764, 5359808), (4036, 4998592), (5312, 3797876), (7528, 2679904), (8072, 2499296), (10624, 1898938), (15056, 1339952), (16144, 1249648), (21248, 949469), (30112, 669976), (32288, 624824), (60224, 334988), (64576, 312412), (78103, 258304), (83747, 240896), (120448, 167494), (129152, 156206)]