20620908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 66882816

約数和(自身を除く): 46261908

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 43, 44, 63, 66, 77, 84, 86, 99, 126, 129, 132, 154, 172, 173, 198, 231, 252, 258, 301, 308, 346, 387, 396, 462, 473, 516, 519, 602, 692, 693, 774, 903, 924, 946, 1038, 1204, 1211, 1386, 1419, 1548, 1557, 1806, 1892, 1903, 2076, 2422, 2709, 2772, 2838, 3114, 3311, 3612, 3633, 3806, 4257, 4844, 5418, 5676, 5709, 6228, 6622, 7266, 7439, 7612, 8514, 9933, 10836, 10899, 11418, 13244, 13321, 14532, 14878, 17028, 17127, 19866, 21798, 22317, 22836, 26642, 29756, 29799, 34254, 39732, 39963, 43596, 44634, 52073, 53284, 59598, 66951, 68508, 79926, 81829, 89268, 104146, 119196, 119889, 133902, 156219, 159852, 163658, 208292, 239778, 245487, 267804, 312438, 327316, 468657, 479556, 490974, 572803, 624876, 736461, 937314, 981948, 1145606, 1472922, 1718409, 1874628, 2291212, 2945844, 3436818, 5155227, 6873636, 10310454, 20620908]

約数ペア:

[(1, 20620908), (2, 10310454), (3, 6873636), (4, 5155227), (6, 3436818), (7, 2945844), (9, 2291212), (11, 1874628), (12, 1718409), (14, 1472922), (18, 1145606), (21, 981948), (22, 937314), (28, 736461), (33, 624876), (36, 572803), (42, 490974), (43, 479556), (44, 468657), (63, 327316), (66, 312438), (77, 267804), (84, 245487), (86, 239778), (99, 208292), (126, 163658), (129, 159852), (132, 156219), (154, 133902), (172, 119889), (173, 119196), (198, 104146), (231, 89268), (252, 81829), (258, 79926), (301, 68508), (308, 66951), (346, 59598), (387, 53284), (396, 52073), (462, 44634), (473, 43596), (516, 39963), (519, 39732), (602, 34254), (692, 29799), (693, 29756), (774, 26642), (903, 22836), (924, 22317), (946, 21798), (1038, 19866), (1204, 17127), (1211, 17028), (1386, 14878), (1419, 14532), (1548, 13321), (1557, 13244), (1806, 11418), (1892, 10899), (1903, 10836), (2076, 9933), (2422, 8514), (2709, 7612), (2772, 7439), (2838, 7266), (3114, 6622), (3311, 6228), (3612, 5709), (3633, 5676), (3806, 5418), (4257, 4844)]