20138976

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 69431040

約数和(自身を除く): 49292064

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 27, 32, 33, 36, 39, 44, 48, 52, 54, 66, 72, 78, 88, 96, 99, 104, 108, 117, 132, 143, 144, 156, 163, 176, 198, 208, 216, 234, 264, 286, 288, 297, 312, 326, 351, 352, 396, 416, 429, 432, 468, 489, 528, 572, 594, 624, 652, 702, 792, 858, 864, 936, 978, 1056, 1144, 1188, 1248, 1287, 1304, 1404, 1467, 1584, 1716, 1793, 1872, 1956, 2119, 2288, 2376, 2574, 2608, 2808, 2934, 3168, 3432, 3586, 3744, 3861, 3912, 4238, 4401, 4576, 4752, 5148, 5216, 5379, 5616, 5868, 6357, 6864, 7172, 7722, 7824, 8476, 8802, 9504, 10296, 10758, 11232, 11736, 12714, 13728, 14344, 15444, 15648, 16137, 16952, 17604, 19071, 20592, 21516, 23309, 23472, 25428, 28688, 30888, 32274, 33904, 35208, 38142, 41184, 43032, 46618, 46944, 48411, 50856, 57213, 57376, 61776, 64548, 67808, 69927, 70416, 76284, 86064, 93236, 96822, 101712, 114426, 123552, 129096, 139854, 140832, 152568, 172128, 186472, 193644, 203424, 209781, 228852, 258192, 279708, 305136, 372944, 387288, 419562, 457704, 516384, 559416, 610272, 629343, 745888, 774576, 839124, 915408, 1118832, 1258686, 1549152, 1678248, 1830816, 2237664, 2517372, 3356496, 5034744, 6712992, 10069488, 20138976]

約数ペア:

[(1, 20138976), (2, 10069488), (3, 6712992), (4, 5034744), (6, 3356496), (8, 2517372), (9, 2237664), (11, 1830816), (12, 1678248), (13, 1549152), (16, 1258686), (18, 1118832), (22, 915408), (24, 839124), (26, 774576), (27, 745888), (32, 629343), (33, 610272), (36, 559416), (39, 516384), (44, 457704), (48, 419562), (52, 387288), (54, 372944), (66, 305136), (72, 279708), (78, 258192), (88, 228852), (96, 209781), (99, 203424), (104, 193644), (108, 186472), (117, 172128), (132, 152568), (143, 140832), (144, 139854), (156, 129096), (163, 123552), (176, 114426), (198, 101712), (208, 96822), (216, 93236), (234, 86064), (264, 76284), (286, 70416), (288, 69927), (297, 67808), (312, 64548), (326, 61776), (351, 57376), (352, 57213), (396, 50856), (416, 48411), (429, 46944), (432, 46618), (468, 43032), (489, 41184), (528, 38142), (572, 35208), (594, 33904), (624, 32274), (652, 30888), (702, 28688), (792, 25428), (858, 23472), (864, 23309), (936, 21516), (978, 20592), (1056, 19071), (1144, 17604), (1188, 16952), (1248, 16137), (1287, 15648), (1304, 15444), (1404, 14344), (1467, 13728), (1584, 12714), (1716, 11736), (1793, 11232), (1872, 10758), (1956, 10296), (2119, 9504), (2288, 8802), (2376, 8476), (2574, 7824), (2608, 7722), (2808, 7172), (2934, 6864), (3168, 6357), (3432, 5868), (3586, 5616), (3744, 5379), (3861, 5216), (3912, 5148), (4238, 4752), (4401, 4576)]