20585992

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 46126080

約数和(自身を除く): 25540088

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 83, 86, 103, 166, 172, 206, 301, 332, 344, 412, 581, 602, 664, 721, 824, 1162, 1204, 1442, 2324, 2408, 2884, 3569, 4429, 4648, 5768, 7138, 8549, 8858, 14276, 17098, 17716, 24983, 28552, 31003, 34196, 35432, 49966, 59843, 62006, 68392, 99932, 119686, 124012, 199864, 239372, 248024, 367607, 478744, 735214, 1470428, 2573249, 2940856, 5146498, 10292996, 20585992]

約数ペア:

[(1, 20585992), (2, 10292996), (4, 5146498), (7, 2940856), (8, 2573249), (14, 1470428), (28, 735214), (43, 478744), (56, 367607), (83, 248024), (86, 239372), (103, 199864), (166, 124012), (172, 119686), (206, 99932), (301, 68392), (332, 62006), (344, 59843), (412, 49966), (581, 35432), (602, 34196), (664, 31003), (721, 28552), (824, 24983), (1162, 17716), (1204, 17098), (1442, 14276), (2324, 8858), (2408, 8549), (2884, 7138), (3569, 5768), (4429, 4648)]