20781504744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20117}}^1$

素因数の和:20200

約数の個数: 256

約数和(自身を含む): 71381882880

約数和(自身を除く): 50600378136

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 43, 44, 52, 56, 66, 77, 78, 84, 86, 88, 91, 104, 129, 132, 143, 154, 156, 168, 172, 182, 231, 258, 264, 273, 286, 301, 308, 312, 344, 364, 429, 462, 473, 516, 546, 559, 572, 602, 616, 728, 858, 903, 924, 946, 1001, 1032, 1092, 1118, 1144, 1204, 1419, 1677, 1716, 1806, 1848, 1892, 2002, 2184, 2236, 2408, 2838, 3003, 3311, 3354, 3432, 3612, 3784, 3913, 4004, 4472, 5676, 6006, 6149, 6622, 6708, 7224, 7826, 8008, 9933, 11352, 11739, 12012, 12298, 13244, 13416, 15652, 18447, 19866, 20117, 23478, 24024, 24596, 26488, 31304, 36894, 39732, 40234, 43043, 46956, 49192, 60351, 73788, 79464, 80468, 86086, 93912, 120702, 129129, 140819, 147576, 160936, 172172, 221287, 241404, 258258, 261521, 281638, 344344, 422457, 442574, 482808, 516516, 523042, 563276, 663861, 784563, 844914, 865031, 885148, 1033032, 1046084, 1126552, 1327722, 1549009, 1569126, 1689828, 1730062, 1770296, 1830647, 2092168, 2595093, 2655444, 2876731, 3098018, 3138252, 3379656, 3460124, 3661294, 4647027, 5190186, 5310888, 5491941, 5753462, 6055217, 6196036, 6276504, 6920248, 7322588, 8630193, 9294054, 9515341, 10380372, 10983882, 11245403, 11506924, 12110434, 12392072, 14645176, 17260386, 18165651, 18588108, 19030682, 20137117, 20760744, 21967764, 22490806, 23013848, 24220868, 28546023, 33736209, 34520772, 36331302, 37176216, 38061364, 40274234, 43935528, 44981612, 48441736, 57092046, 60411351, 66607387, 67472418, 69041544, 72662604, 76122728, 78717821, 80548468, 89963224, 114184092, 120822702, 123699433, 133214774, 134944836, 145325208, 157435642, 161096936, 199822161, 228368184, 236153463, 241645404, 247398866, 266429548, 269889672, 314871284, 371098299, 399644322, 472306926, 483290808, 494797732, 532859096, 629742568, 742196598, 799288644, 865896031, 944613852, 989595464, 1484393196, 1598577288, 1731792062, 1889227704, 2597688093, 2968786392, 3463584124, 5195376186, 6927168248, 10390752372, 20781504744]

約数ペア:

[(1, 20781504744), (2, 10390752372), (3, 6927168248), (4, 5195376186), (6, 3463584124), (7, 2968786392), (8, 2597688093), (11, 1889227704), (12, 1731792062), (13, 1598577288), (14, 1484393196), (21, 989595464), (22, 944613852), (24, 865896031), (26, 799288644), (28, 742196598), (33, 629742568), (39, 532859096), (42, 494797732), (43, 483290808), (44, 472306926), (52, 399644322), (56, 371098299), (66, 314871284), (77, 269889672), (78, 266429548), (84, 247398866), (86, 241645404), (88, 236153463), (91, 228368184), (104, 199822161), (129, 161096936), (132, 157435642), (143, 145325208), (154, 134944836), (156, 133214774), (168, 123699433), (172, 120822702), (182, 114184092), (231, 89963224), (258, 80548468), (264, 78717821), (273, 76122728), (286, 72662604), (301, 69041544), (308, 67472418), (312, 66607387), (344, 60411351), (364, 57092046), (429, 48441736), (462, 44981612), (473, 43935528), (516, 40274234), (546, 38061364), (559, 37176216), (572, 36331302), (602, 34520772), (616, 33736209), (728, 28546023), (858, 24220868), (903, 23013848), (924, 22490806), (946, 21967764), (1001, 20760744), (1032, 20137117), (1092, 19030682), (1118, 18588108), (1144, 18165651), (1204, 17260386), (1419, 14645176), (1677, 12392072), (1716, 12110434), (1806, 11506924), (1848, 11245403), (1892, 10983882), (2002, 10380372), (2184, 9515341), (2236, 9294054), (2408, 8630193), (2838, 7322588), (3003, 6920248), (3311, 6276504), (3354, 6196036), (3432, 6055217), (3612, 5753462), (3784, 5491941), (3913, 5310888), (4004, 5190186), (4472, 4647027), (5676, 3661294), (6006, 3460124), (6149, 3379656), (6622, 3138252), (6708, 3098018), (7224, 2876731), (7826, 2655444), (8008, 2595093), (9933, 2092168), (11352, 1830647), (11739, 1770296), (12012, 1730062), (12298, 1689828), (13244, 1569126), (13416, 1549009), (15652, 1327722), (18447, 1126552), (19866, 1046084), (20117, 1033032), (23478, 885148), (24024, 865031), (24596, 844914), (26488, 784563), (31304, 663861), (36894, 563276), (39732, 523042), (40234, 516516), (43043, 482808), (46956, 442574), (49192, 422457), (60351, 344344), (73788, 281638), (79464, 261521), (80468, 258258), (86086, 241404), (93912, 221287), (120702, 172172), (129129, 160936), (140819, 147576)]