20558384

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 120

約数和(自身を含む): 52642464

約数和(自身を除く): 32084080

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 37, 41, 44, 56, 74, 77, 82, 88, 112, 121, 148, 154, 164, 176, 242, 259, 287, 296, 308, 328, 407, 451, 484, 518, 574, 592, 616, 656, 814, 847, 902, 968, 1036, 1148, 1232, 1517, 1628, 1694, 1804, 1936, 2072, 2296, 2849, 3034, 3157, 3256, 3388, 3608, 4144, 4477, 4592, 4961, 5698, 6068, 6314, 6512, 6776, 7216, 8954, 9922, 10619, 11396, 12136, 12628, 13552, 16687, 17908, 19844, 21238, 22792, 24272, 25256, 31339, 33374, 34727, 35816, 39688, 42476, 45584, 50512, 62678, 66748, 69454, 71632, 79376, 84952, 116809, 125356, 133496, 138908, 169904, 183557, 233618, 250712, 266992, 277816, 367114, 467236, 501424, 555632, 734228, 934472, 1284899, 1468456, 1868944, 2569798, 2936912, 5139596, 10279192, 20558384]

約数ペア:

[(1, 20558384), (2, 10279192), (4, 5139596), (7, 2936912), (8, 2569798), (11, 1868944), (14, 1468456), (16, 1284899), (22, 934472), (28, 734228), (37, 555632), (41, 501424), (44, 467236), (56, 367114), (74, 277816), (77, 266992), (82, 250712), (88, 233618), (112, 183557), (121, 169904), (148, 138908), (154, 133496), (164, 125356), (176, 116809), (242, 84952), (259, 79376), (287, 71632), (296, 69454), (308, 66748), (328, 62678), (407, 50512), (451, 45584), (484, 42476), (518, 39688), (574, 35816), (592, 34727), (616, 33374), (656, 31339), (814, 25256), (847, 24272), (902, 22792), (968, 21238), (1036, 19844), (1148, 17908), (1232, 16687), (1517, 13552), (1628, 12628), (1694, 12136), (1804, 11396), (1936, 10619), (2072, 9922), (2296, 8954), (2849, 7216), (3034, 6776), (3157, 6512), (3256, 6314), (3388, 6068), (3608, 5698), (4144, 4961), (4477, 4592)]