20581176

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:114

約数の個数: 192

約数和(自身を含む): 68618880

約数和(自身を除く): 48037704

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 37, 42, 43, 44, 49, 56, 66, 74, 77, 84, 86, 88, 98, 111, 129, 132, 147, 148, 154, 168, 172, 196, 222, 231, 258, 259, 264, 294, 296, 301, 308, 344, 392, 407, 444, 462, 473, 516, 518, 539, 588, 602, 616, 777, 814, 888, 903, 924, 946, 1032, 1036, 1078, 1176, 1204, 1221, 1419, 1554, 1591, 1617, 1628, 1806, 1813, 1848, 1892, 2072, 2107, 2156, 2408, 2442, 2838, 2849, 3108, 3182, 3234, 3256, 3311, 3612, 3626, 3784, 4214, 4312, 4773, 4884, 5439, 5676, 5698, 6216, 6321, 6364, 6468, 6622, 7224, 7252, 8428, 8547, 9546, 9768, 9933, 10878, 11137, 11352, 11396, 12642, 12728, 12936, 13244, 14504, 16856, 17094, 17501, 19092, 19866, 19943, 21756, 22274, 22792, 23177, 25284, 26488, 33411, 34188, 35002, 38184, 39732, 39886, 43512, 44548, 46354, 50568, 52503, 59829, 66822, 68376, 69531, 70004, 77959, 79464, 79772, 89096, 92708, 105006, 119658, 122507, 133644, 139062, 140008, 155918, 159544, 185416, 210012, 233877, 239316, 245014, 267288, 278124, 311836, 367521, 420024, 467754, 478632, 490028, 556248, 623672, 735042, 857549, 935508, 980056, 1470084, 1715098, 1871016, 2572647, 2940168, 3430196, 5145294, 6860392, 10290588, 20581176]

約数ペア:

[(1, 20581176), (2, 10290588), (3, 6860392), (4, 5145294), (6, 3430196), (7, 2940168), (8, 2572647), (11, 1871016), (12, 1715098), (14, 1470084), (21, 980056), (22, 935508), (24, 857549), (28, 735042), (33, 623672), (37, 556248), (42, 490028), (43, 478632), (44, 467754), (49, 420024), (56, 367521), (66, 311836), (74, 278124), (77, 267288), (84, 245014), (86, 239316), (88, 233877), (98, 210012), (111, 185416), (129, 159544), (132, 155918), (147, 140008), (148, 139062), (154, 133644), (168, 122507), (172, 119658), (196, 105006), (222, 92708), (231, 89096), (258, 79772), (259, 79464), (264, 77959), (294, 70004), (296, 69531), (301, 68376), (308, 66822), (344, 59829), (392, 52503), (407, 50568), (444, 46354), (462, 44548), (473, 43512), (516, 39886), (518, 39732), (539, 38184), (588, 35002), (602, 34188), (616, 33411), (777, 26488), (814, 25284), (888, 23177), (903, 22792), (924, 22274), (946, 21756), (1032, 19943), (1036, 19866), (1078, 19092), (1176, 17501), (1204, 17094), (1221, 16856), (1419, 14504), (1554, 13244), (1591, 12936), (1617, 12728), (1628, 12642), (1806, 11396), (1813, 11352), (1848, 11137), (1892, 10878), (2072, 9933), (2107, 9768), (2156, 9546), (2408, 8547), (2442, 8428), (2838, 7252), (2849, 7224), (3108, 6622), (3182, 6468), (3234, 6364), (3256, 6321), (3311, 6216), (3612, 5698), (3626, 5676), (3784, 5439), (4214, 4884), (4312, 4773)]