20218887920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{21737}}^1$

素因数の和:21919

約数の個数: 160

約数和(自身を含む): 58999366656

約数和(自身を除く): 38780478736

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 151, 154, 176, 220, 280, 302, 308, 385, 440, 560, 604, 616, 755, 770, 880, 1057, 1208, 1232, 1510, 1540, 1661, 2114, 2416, 3020, 3080, 3322, 4228, 5285, 6040, 6160, 6644, 8305, 8456, 10570, 11627, 12080, 13288, 16610, 16912, 21140, 21737, 23254, 26576, 33220, 42280, 43474, 46508, 58135, 66440, 84560, 86948, 93016, 108685, 116270, 132880, 152159, 173896, 186032, 217370, 232540, 239107, 304318, 347792, 434740, 465080, 478214, 608636, 760795, 869480, 930160, 956428, 1195535, 1217272, 1521590, 1673749, 1738960, 1912856, 2391070, 2434544, 3043180, 3282287, 3347498, 3825712, 4782140, 6086360, 6564574, 6694996, 8368745, 9564280, 12172720, 13129148, 13389992, 16411435, 16737490, 19128560, 22976009, 26258296, 26779984, 32822870, 33474980, 36105157, 45952018, 52516592, 65645740, 66949960, 72210314, 91904036, 114880045, 131291480, 133899920, 144420628, 180525785, 183808072, 229760090, 252736099, 262582960, 288841256, 361051570, 367616144, 459520180, 505472198, 577682512, 722103140, 919040360, 1010944396, 1263680495, 1444206280, 1838080720, 2021888792, 2527360990, 2888412560, 4043777584, 5054721980, 10109443960, 20218887920]

約数ペア:

[(1, 20218887920), (2, 10109443960), (4, 5054721980), (5, 4043777584), (7, 2888412560), (8, 2527360990), (10, 2021888792), (11, 1838080720), (14, 1444206280), (16, 1263680495), (20, 1010944396), (22, 919040360), (28, 722103140), (35, 577682512), (40, 505472198), (44, 459520180), (55, 367616144), (56, 361051570), (70, 288841256), (77, 262582960), (80, 252736099), (88, 229760090), (110, 183808072), (112, 180525785), (140, 144420628), (151, 133899920), (154, 131291480), (176, 114880045), (220, 91904036), (280, 72210314), (302, 66949960), (308, 65645740), (385, 52516592), (440, 45952018), (560, 36105157), (604, 33474980), (616, 32822870), (755, 26779984), (770, 26258296), (880, 22976009), (1057, 19128560), (1208, 16737490), (1232, 16411435), (1510, 13389992), (1540, 13129148), (1661, 12172720), (2114, 9564280), (2416, 8368745), (3020, 6694996), (3080, 6564574), (3322, 6086360), (4228, 4782140), (5285, 3825712), (6040, 3347498), (6160, 3282287), (6644, 3043180), (8305, 2434544), (8456, 2391070), (10570, 1912856), (11627, 1738960), (12080, 1673749), (13288, 1521590), (16610, 1217272), (16912, 1195535), (21140, 956428), (21737, 930160), (23254, 869480), (26576, 760795), (33220, 608636), (42280, 478214), (43474, 465080), (46508, 434740), (58135, 347792), (66440, 304318), (84560, 239107), (86948, 232540), (93016, 217370), (108685, 186032), (116270, 173896), (132880, 152159)]