20173929856

素因数分解:

$2^7\times {\mathrm{181}}^1\times {\mathrm{863}}^1\times {\mathrm{1009}}^1$

素因数の和:2067

約数の個数: 64

約数和(自身を含む): 40499222400

約数和(自身を除く): 20325292544

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 181, 362, 724, 863, 1009, 1448, 1726, 2018, 2896, 3452, 4036, 5792, 6904, 8072, 11584, 13808, 16144, 23168, 27616, 32288, 55232, 64576, 110464, 129152, 156203, 182629, 312406, 365258, 624812, 730516, 870767, 1249624, 1461032, 1741534, 2499248, 2922064, 3483068, 4998496, 5844128, 6966136, 9996992, 11688256, 13932272, 19993984, 23376512, 27864544, 55729088, 111458176, 157608827, 315217654, 630435308, 1260870616, 2521741232, 5043482464, 10086964928, 20173929856]

約数ペア:

[(1, 20173929856), (2, 10086964928), (4, 5043482464), (8, 2521741232), (16, 1260870616), (32, 630435308), (64, 315217654), (128, 157608827), (181, 111458176), (362, 55729088), (724, 27864544), (863, 23376512), (1009, 19993984), (1448, 13932272), (1726, 11688256), (2018, 9996992), (2896, 6966136), (3452, 5844128), (4036, 4998496), (5792, 3483068), (6904, 2922064), (8072, 2499248), (11584, 1741534), (13808, 1461032), (16144, 1249624), (23168, 870767), (27616, 730516), (32288, 624812), (55232, 365258), (64576, 312406), (110464, 182629), (129152, 156203)]