20422248

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 65387520

約数和(自身を除く): 44965272

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 43, 44, 56, 66, 77, 84, 86, 88, 129, 132, 154, 168, 172, 231, 257, 258, 264, 301, 308, 344, 462, 473, 514, 516, 602, 616, 771, 903, 924, 946, 1028, 1032, 1204, 1419, 1542, 1799, 1806, 1848, 1892, 2056, 2408, 2827, 2838, 3084, 3311, 3598, 3612, 3784, 5397, 5654, 5676, 6168, 6622, 7196, 7224, 8481, 9933, 10794, 11051, 11308, 11352, 13244, 14392, 16962, 19789, 19866, 21588, 22102, 22616, 26488, 33153, 33924, 39578, 39732, 43176, 44204, 59367, 66306, 67848, 77357, 79156, 79464, 88408, 118734, 121561, 132612, 154714, 158312, 232071, 237468, 243122, 265224, 309428, 364683, 464142, 474936, 486244, 618856, 729366, 850927, 928284, 972488, 1458732, 1701854, 1856568, 2552781, 2917464, 3403708, 5105562, 6807416, 10211124, 20422248]

約数ペア:

[(1, 20422248), (2, 10211124), (3, 6807416), (4, 5105562), (6, 3403708), (7, 2917464), (8, 2552781), (11, 1856568), (12, 1701854), (14, 1458732), (21, 972488), (22, 928284), (24, 850927), (28, 729366), (33, 618856), (42, 486244), (43, 474936), (44, 464142), (56, 364683), (66, 309428), (77, 265224), (84, 243122), (86, 237468), (88, 232071), (129, 158312), (132, 154714), (154, 132612), (168, 121561), (172, 118734), (231, 88408), (257, 79464), (258, 79156), (264, 77357), (301, 67848), (308, 66306), (344, 59367), (462, 44204), (473, 43176), (514, 39732), (516, 39578), (602, 33924), (616, 33153), (771, 26488), (903, 22616), (924, 22102), (946, 21588), (1028, 19866), (1032, 19789), (1204, 16962), (1419, 14392), (1542, 13244), (1799, 11352), (1806, 11308), (1848, 11051), (1892, 10794), (2056, 9933), (2408, 8481), (2827, 7224), (2838, 7196), (3084, 6622), (3311, 6168), (3598, 5676), (3612, 5654), (3784, 5397)]