20427212904

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{701}}^1$

素因数の和:1144

約数の個数: 192

約数和(自身を含む): 60501168000

約数和(自身を除く): 40073955096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 71, 84, 98, 142, 147, 168, 196, 213, 284, 294, 349, 392, 426, 497, 568, 588, 698, 701, 852, 994, 1047, 1176, 1396, 1402, 1491, 1704, 1988, 2094, 2103, 2443, 2792, 2804, 2982, 3479, 3976, 4188, 4206, 4886, 4907, 5608, 5964, 6958, 7329, 8376, 8412, 9772, 9814, 10437, 11928, 13916, 14658, 14721, 16824, 17101, 19544, 19628, 20874, 24779, 27832, 29316, 29442, 34202, 34349, 39256, 41748, 49558, 49771, 51303, 58632, 58884, 68404, 68698, 74337, 83496, 99116, 99542, 102606, 103047, 117768, 136808, 137396, 148674, 149313, 173453, 198232, 199084, 205212, 206094, 244649, 274792, 297348, 298626, 346906, 348397, 398168, 410424, 412188, 489298, 520359, 594696, 597252, 693812, 696794, 733947, 824376, 978596, 1040718, 1045191, 1194504, 1214171, 1387624, 1393588, 1467894, 1712543, 1957192, 2081436, 2090382, 2428342, 2438779, 2787176, 2935788, 3425086, 3642513, 4162872, 4180764, 4856684, 4877558, 5137629, 5871576, 6850172, 7285026, 7316337, 8361528, 9713368, 9755116, 10275258, 11987801, 13700344, 14570052, 14632674, 17370079, 19510232, 20550516, 23975602, 29140104, 29265348, 34740158, 35963403, 41101032, 47951204, 52110237, 58530696, 69480316, 71926806, 95902408, 104220474, 121590553, 138960632, 143853612, 208440948, 243181106, 287707224, 364771659, 416881896, 486362212, 729543318, 851133871, 972724424, 1459086636, 1702267742, 2553401613, 2918173272, 3404535484, 5106803226, 6809070968, 10213606452, 20427212904]

約数ペア:

[(1, 20427212904), (2, 10213606452), (3, 6809070968), (4, 5106803226), (6, 3404535484), (7, 2918173272), (8, 2553401613), (12, 1702267742), (14, 1459086636), (21, 972724424), (24, 851133871), (28, 729543318), (42, 486362212), (49, 416881896), (56, 364771659), (71, 287707224), (84, 243181106), (98, 208440948), (142, 143853612), (147, 138960632), (168, 121590553), (196, 104220474), (213, 95902408), (284, 71926806), (294, 69480316), (349, 58530696), (392, 52110237), (426, 47951204), (497, 41101032), (568, 35963403), (588, 34740158), (698, 29265348), (701, 29140104), (852, 23975602), (994, 20550516), (1047, 19510232), (1176, 17370079), (1396, 14632674), (1402, 14570052), (1491, 13700344), (1704, 11987801), (1988, 10275258), (2094, 9755116), (2103, 9713368), (2443, 8361528), (2792, 7316337), (2804, 7285026), (2982, 6850172), (3479, 5871576), (3976, 5137629), (4188, 4877558), (4206, 4856684), (4886, 4180764), (4907, 4162872), (5608, 3642513), (5964, 3425086), (6958, 2935788), (7329, 2787176), (8376, 2438779), (8412, 2428342), (9772, 2090382), (9814, 2081436), (10437, 1957192), (11928, 1712543), (13916, 1467894), (14658, 1393588), (14721, 1387624), (16824, 1214171), (17101, 1194504), (19544, 1045191), (19628, 1040718), (20874, 978596), (24779, 824376), (27832, 733947), (29316, 696794), (29442, 693812), (34202, 597252), (34349, 594696), (39256, 520359), (41748, 489298), (49558, 412188), (49771, 410424), (51303, 398168), (58632, 348397), (58884, 346906), (68404, 298626), (68698, 297348), (74337, 274792), (83496, 244649), (99116, 206094), (99542, 205212), (102606, 199084), (103047, 198232), (117768, 173453), (136808, 149313), (137396, 148674)]