20874291256

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:335

約数の個数: 256

約数和(自身を含む): 51184224000

約数和(自身を除く): 30309932744

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 53, 56, 61, 91, 98, 104, 106, 122, 181, 182, 196, 212, 244, 343, 362, 364, 371, 392, 424, 427, 488, 637, 686, 689, 724, 728, 742, 793, 854, 1267, 1274, 1372, 1378, 1448, 1484, 1586, 1708, 2353, 2534, 2548, 2597, 2744, 2756, 2968, 2989, 3172, 3233, 3416, 4459, 4706, 4823, 5068, 5096, 5194, 5512, 5551, 5978, 6344, 6466, 8869, 8918, 9412, 9593, 9646, 10136, 10388, 11041, 11102, 11956, 12932, 16471, 17738, 17836, 18179, 18824, 19186, 19292, 20776, 20923, 22082, 22204, 22631, 23912, 25864, 32942, 33761, 35476, 35672, 36358, 38372, 38584, 38857, 41846, 42029, 44164, 44408, 45262, 62083, 65884, 67151, 67522, 70952, 72716, 76744, 77287, 77714, 83692, 84058, 88328, 90524, 115297, 124166, 124709, 131768, 134302, 135044, 143533, 145432, 154574, 155428, 158417, 167384, 168116, 181048, 230594, 236327, 248332, 249418, 268604, 270088, 271999, 287066, 294203, 309148, 310856, 316834, 336232, 461188, 470057, 472654, 496664, 498836, 537208, 541009, 543998, 574132, 585173, 588406, 618296, 633668, 807079, 872963, 922376, 940114, 945308, 997672, 1004731, 1082018, 1087996, 1108919, 1148264, 1170346, 1176812, 1267336, 1614158, 1745926, 1880228, 1890616, 2009462, 2059421, 2164036, 2175992, 2217838, 2340692, 2353624, 3228316, 3290399, 3491852, 3760456, 3787063, 4018924, 4096211, 4118842, 4328072, 4435676, 4681384, 6110741, 6456632, 6580798, 6983704, 7033117, 7574126, 7607249, 8037848, 8192422, 8237684, 8871352, 12221482, 13161596, 14066234, 14415947, 15148252, 15214498, 16384844, 16475368, 24442964, 26323192, 28132468, 28673477, 28831894, 30296504, 30428996, 32769688, 42775187, 48885928, 49231819, 53250743, 56264936, 57346954, 57663788, 60857992, 85550374, 98463638, 106501486, 114693908, 115327576, 171100748, 196927276, 200714339, 213002972, 229387816, 342201496, 372755201, 393854552, 401428678, 426005944, 745510402, 802857356, 1491020804, 1605714712, 2609286407, 2982041608, 5218572814, 10437145628, 20874291256]

約数ペア:

[(1, 20874291256), (2, 10437145628), (4, 5218572814), (7, 2982041608), (8, 2609286407), (13, 1605714712), (14, 1491020804), (26, 802857356), (28, 745510402), (49, 426005944), (52, 401428678), (53, 393854552), (56, 372755201), (61, 342201496), (91, 229387816), (98, 213002972), (104, 200714339), (106, 196927276), (122, 171100748), (181, 115327576), (182, 114693908), (196, 106501486), (212, 98463638), (244, 85550374), (343, 60857992), (362, 57663788), (364, 57346954), (371, 56264936), (392, 53250743), (424, 49231819), (427, 48885928), (488, 42775187), (637, 32769688), (686, 30428996), (689, 30296504), (724, 28831894), (728, 28673477), (742, 28132468), (793, 26323192), (854, 24442964), (1267, 16475368), (1274, 16384844), (1372, 15214498), (1378, 15148252), (1448, 14415947), (1484, 14066234), (1586, 13161596), (1708, 12221482), (2353, 8871352), (2534, 8237684), (2548, 8192422), (2597, 8037848), (2744, 7607249), (2756, 7574126), (2968, 7033117), (2989, 6983704), (3172, 6580798), (3233, 6456632), (3416, 6110741), (4459, 4681384), (4706, 4435676), (4823, 4328072), (5068, 4118842), (5096, 4096211), (5194, 4018924), (5512, 3787063), (5551, 3760456), (5978, 3491852), (6344, 3290399), (6466, 3228316), (8869, 2353624), (8918, 2340692), (9412, 2217838), (9593, 2175992), (9646, 2164036), (10136, 2059421), (10388, 2009462), (11041, 1890616), (11102, 1880228), (11956, 1745926), (12932, 1614158), (16471, 1267336), (17738, 1176812), (17836, 1170346), (18179, 1148264), (18824, 1108919), (19186, 1087996), (19292, 1082018), (20776, 1004731), (20923, 997672), (22082, 945308), (22204, 940114), (22631, 922376), (23912, 872963), (25864, 807079), (32942, 633668), (33761, 618296), (35476, 588406), (35672, 585173), (36358, 574132), (38372, 543998), (38584, 541009), (38857, 537208), (41846, 498836), (42029, 496664), (44164, 472654), (44408, 470057), (45262, 461188), (62083, 336232), (65884, 316834), (67151, 310856), (67522, 309148), (70952, 294203), (72716, 287066), (76744, 271999), (77287, 270088), (77714, 268604), (83692, 249418), (84058, 248332), (88328, 236327), (90524, 230594), (115297, 181048), (124166, 168116), (124709, 167384), (131768, 158417), (134302, 155428), (135044, 154574), (143533, 145432)]