20193369952

素因数分解:

$2^5\times 7^1\times {\mathrm{197}}^1\times {\mathrm{457609}}^1$

素因数の和:457823

約数の個数: 48

約数和(自身を含む): 45665817120

約数和(自身を除く): 25472447168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 197, 224, 394, 788, 1379, 1576, 2758, 3152, 5516, 6304, 11032, 22064, 44128, 457609, 915218, 1830436, 3203263, 3660872, 6406526, 7321744, 12813052, 14643488, 25626104, 51252208, 90148973, 102504416, 180297946, 360595892, 631042811, 721191784, 1262085622, 1442383568, 2524171244, 2884767136, 5048342488, 10096684976, 20193369952]

約数ペア:

[(1, 20193369952), (2, 10096684976), (4, 5048342488), (7, 2884767136), (8, 2524171244), (14, 1442383568), (16, 1262085622), (28, 721191784), (32, 631042811), (56, 360595892), (112, 180297946), (197, 102504416), (224, 90148973), (394, 51252208), (788, 25626104), (1379, 14643488), (1576, 12813052), (2758, 7321744), (3152, 6406526), (5516, 3660872), (6304, 3203263), (11032, 1830436), (22064, 915218), (44128, 457609)]