20991083568

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:321

約数の個数: 640

約数和(自身を含む): 74661888000

約数和(自身を除く): 53670804432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 19, 21, 24, 26, 28, 31, 38, 39, 41, 42, 48, 52, 56, 57, 62, 76, 78, 82, 84, 91, 93, 104, 112, 114, 123, 124, 133, 152, 156, 164, 168, 182, 186, 199, 208, 217, 228, 246, 247, 248, 266, 273, 287, 304, 312, 328, 336, 364, 372, 398, 399, 403, 434, 456, 492, 494, 496, 532, 533, 546, 574, 589, 597, 624, 651, 656, 728, 741, 744, 779, 796, 798, 806, 861, 868, 912, 984, 988, 1064, 1066, 1092, 1148, 1178, 1194, 1209, 1271, 1302, 1393, 1456, 1482, 1488, 1558, 1592, 1596, 1599, 1612, 1722, 1729, 1736, 1767, 1968, 1976, 2128, 2132, 2184, 2296, 2337, 2356, 2388, 2418, 2542, 2587, 2604, 2786, 2821, 2964, 3116, 3184, 3192, 3198, 3224, 3444, 3458, 3472, 3534, 3731, 3781, 3813, 3952, 4123, 4179, 4264, 4368, 4592, 4674, 4712, 4776, 4836, 5084, 5174, 5187, 5208, 5453, 5572, 5642, 5928, 6169, 6232, 6384, 6396, 6448, 6888, 6916, 7068, 7462, 7562, 7626, 7657, 7761, 8159, 8246, 8358, 8463, 8528, 8897, 9348, 9424, 9552, 9672, 10127, 10168, 10348, 10374, 10416, 10906, 11144, 11193, 11284, 11343, 11856, 12338, 12369, 12464, 12792, 13776, 13832, 14136, 14924, 15124, 15252, 15314, 15522, 16318, 16359, 16492, 16523, 16716, 16926, 17794, 18109, 18507, 18696, 19344, 20254, 20336, 20696, 20748, 21812, 22288, 22386, 22568, 22686, 22971, 24149, 24477, 24676, 24738, 25584, 26467, 26691, 27664, 28272, 29848, 30248, 30381, 30504, 30628, 31044, 32636, 32718, 32984, 33046, 33432, 33852, 35588, 36218, 37014, 37392, 40508, 41392, 41496, 43183, 43624, 44772, 45136, 45372, 45942, 48298, 48954, 49153, 49352, 49476, 49569, 52934, 53382, 53599, 54327, 57113, 59696, 60496, 60762, 61008, 61256, 62088, 65272, 65436, 65968, 66092, 66864, 67704, 70889, 71176, 72436, 72447, 74028, 79401, 80197, 81016, 82992, 86366, 87248, 89544, 90744, 91884, 96596, 97908, 98306, 98704, 98952, 99138, 105868, 106067, 106764, 107198, 108654, 114226, 115661, 117211, 121524, 122512, 124176, 129549, 130544, 130872, 132184, 135408, 141778, 142352, 144872, 144894, 147459, 148056, 155021, 158802, 160394, 160797, 162032, 169043, 171339, 172732, 179088, 181488, 183768, 193192, 195816, 196612, 197904, 198276, 211736, 212134, 212667, 213528, 214396, 217308, 228452, 231322, 234422, 240591, 243048, 252929, 259098, 261744, 264368, 283556, 289744, 289788, 294918, 296112, 310042, 313937, 317604, 318201, 320788, 321594, 338086, 342678, 344071, 345464, 346983, 351633, 367536, 386384, 391632, 393224, 396552, 423472, 424268, 425334, 427056, 428792, 434616, 456904, 462644, 465063, 468844, 481182, 486096, 505858, 507129, 518196, 561379, 567112, 579576, 589836, 620084, 627874, 635208, 636402, 641576, 643188, 676172, 685356, 688142, 690928, 693966, 703266, 742469, 758787, 786448, 793104, 820477, 848536, 850668, 857584, 869232, 913808, 925288, 930126, 937688, 941811, 962364, 1011716, 1014258, 1032213, 1036392, 1085147, 1122758, 1134224, 1159152, 1179672, 1240168, 1255748, 1270416, 1272804, 1283152, 1286376, 1352344, 1370712, 1376284, 1387932, 1406532, 1484938, 1517574, 1523743, 1640954, 1684137, 1697072, 1701336, 1770503, 1850576, 1860252, 1875376, 1883622, 1924728, 2015273, 2023432, 2028516, 2064426, 2072784, 2170294, 2197559, 2227407, 2245516, 2359344, 2461431, 2480336, 2511496, 2545608, 2572752, 2704688, 2741424, 2752568, 2775864, 2813064, 2969876, 3035148, 3047486, 3255441, 3281908, 3288077, 3368274, 3402672, 3541006, 3720504, 3767244, 3849456, 4030546, 4046864, 4057032, 4128852, 4340588, 4395118, 4454814, 4491032, 4571229, 4805651, 4922862, 5022992, 5091216, 5311509, 5505136, 5551728, 5626128, 5939752, 6045819, 6070296, 6094972, 6510882, 6563816, 6576154, 6592677, 6736548, 7082012, 7441008, 7534488, 8061092, 8114064, 8257704, 8681176, 8790236, 8909628, 8982064, 9142458, 9611302, 9845724, 9864231, 10623018, 10666201, 11879504, 12091638, 12140592, 12189944, 13021764, 13127632, 13152308, 13185354, 13473096, 14106911, 14164024, 14416953, 15068976, 16122184, 16515408, 17362352, 17580472, 17819256, 18284916, 19222604, 19691448, 19728462, 21246036, 21332402, 23016539, 24183276, 24379888, 26043528, 26304616, 26370708, 26946192, 28213822, 28328048, 28833906, 31998603, 32244368, 33639557, 35160944, 35638512, 36569832, 38445208, 39382896, 39456924, 42320733, 42492072, 42664804, 46033078, 48366552, 52087056, 52609232, 52741416, 56427644, 57667812, 62473463, 63997206, 67279114, 69049617, 73139664, 76890416, 78913848, 84641466, 84984144, 85329608, 92066156, 96733104, 100918671, 105482832, 112855288, 115335624, 124946926, 127994412, 134558228, 138099234, 157827696, 169282932, 170659216, 184132312, 187420389, 201837342, 225710576, 230671248, 249893852, 255988824, 269116456, 276198468, 338565864, 368264624, 374840778, 403674684, 437314241, 499787704, 511977648, 538232912, 552396936, 677131728, 749681556, 807349368, 874628482, 999575408, 1104793872, 1311942723, 1499363112, 1614698736, 1749256964, 2623885446, 2998726224, 3498513928, 5247770892, 6997027856, 10495541784, 20991083568]

約数ペア:

[(1, 20991083568), (2, 10495541784), (3, 6997027856), (4, 5247770892), (6, 3498513928), (7, 2998726224), (8, 2623885446), (12, 1749256964), (13, 1614698736), (14, 1499363112), (16, 1311942723), (19, 1104793872), (21, 999575408), (24, 874628482), (26, 807349368), (28, 749681556), (31, 677131728), (38, 552396936), (39, 538232912), (41, 511977648), (42, 499787704), (48, 437314241), (52, 403674684), (56, 374840778), (57, 368264624), (62, 338565864), (76, 276198468), (78, 269116456), (82, 255988824), (84, 249893852), (91, 230671248), (93, 225710576), (104, 201837342), (112, 187420389), (114, 184132312), (123, 170659216), (124, 169282932), (133, 157827696), (152, 138099234), (156, 134558228), (164, 127994412), (168, 124946926), (182, 115335624), (186, 112855288), (199, 105482832), (208, 100918671), (217, 96733104), (228, 92066156), (246, 85329608), (247, 84984144), (248, 84641466), (266, 78913848), (273, 76890416), (287, 73139664), (304, 69049617), (312, 67279114), (328, 63997206), (336, 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