20957098512

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{43}}^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:251

約数の個数: 360

約数和(自身を含む): 66363431040

約数和(自身を除く): 45406332528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 49, 56, 61, 79, 84, 86, 98, 112, 122, 129, 147, 158, 168, 172, 183, 196, 237, 244, 258, 294, 301, 316, 336, 344, 366, 392, 427, 474, 488, 516, 553, 588, 602, 632, 688, 732, 784, 854, 903, 948, 976, 1032, 1106, 1176, 1204, 1264, 1281, 1464, 1659, 1708, 1806, 1849, 1896, 2064, 2107, 2212, 2352, 2408, 2562, 2623, 2928, 2989, 3318, 3397, 3416, 3612, 3698, 3792, 3871, 4214, 4424, 4816, 4819, 5124, 5246, 5547, 5978, 6321, 6636, 6794, 6832, 7224, 7396, 7742, 7869, 8428, 8848, 8967, 9638, 10191, 10248, 10492, 11094, 11613, 11956, 12642, 12943, 13272, 13588, 14448, 14457, 14792, 15484, 15738, 16856, 17934, 18361, 19276, 20382, 20496, 20984, 22188, 23226, 23779, 23912, 25284, 25886, 26544, 27176, 28914, 29584, 30968, 31476, 33712, 33733, 35868, 36722, 38552, 38829, 40764, 41968, 44376, 46452, 47558, 47824, 50568, 51772, 54352, 55083, 57828, 61936, 62952, 67466, 71337, 71736, 73444, 77104, 77658, 81528, 88752, 90601, 92904, 95116, 101136, 101199, 103544, 110166, 112789, 115656, 125904, 128527, 134932, 142674, 143472, 146071, 146888, 155316, 163056, 166453, 181202, 185808, 190232, 202398, 207088, 207217, 220332, 225578, 231312, 236131, 257054, 269864, 271803, 285348, 292142, 293776, 310632, 332906, 338367, 362404, 380464, 385581, 404796, 414434, 438213, 440664, 451156, 472262, 499359, 514108, 539728, 543606, 570696, 584284, 621264, 621651, 665812, 676734, 708393, 724808, 771162, 789523, 809592, 828868, 876426, 881328, 902312, 944524, 998718, 1022497, 1028216, 1087212, 1141392, 1168568, 1243302, 1331624, 1353468, 1416786, 1449616, 1450519, 1542324, 1579046, 1619184, 1657736, 1752852, 1804624, 1889048, 1997436, 2044994, 2056432, 2174424, 2337136, 2368569, 2486604, 2663248, 2706936, 2833572, 2901038, 3067491, 3084648, 3158092, 3315472, 3505704, 3778096, 3994872, 4089988, 4348848, 4351557, 4737138, 4973208, 5413872, 5526661, 5667144, 5802076, 6134982, 6169296, 6316184, 7011408, 7157479, 7989744, 8179976, 8703114, 8910331, 9474276, 9946416, 10153633, 11053322, 11334288, 11604152, 12269964, 12632368, 14314958, 16359952, 16579983, 17406228, 17820662, 18948552, 20307266, 21472437, 22106644, 23208304, 24539928, 26730993, 28629916, 30460899, 33159966, 34812456, 35641324, 37897104, 40614532, 42944874, 44213288, 49079856, 53461986, 57259832, 60921798, 62372317, 66319932, 69624912, 71282648, 81229064, 85889748, 88426576, 106923972, 114519664, 121843596, 124744634, 132639864, 142565296, 162458128, 171779496, 187116951, 213847944, 243687192, 249489268, 265279728, 343558992, 374233902, 427695888, 436606219, 487374384, 498978536, 748467804, 873212438, 997957072, 1309818657, 1496935608, 1746424876, 2619637314, 2993871216, 3492849752, 5239274628, 6985699504, 10478549256, 20957098512]

約数ペア:

[(1, 20957098512), (2, 10478549256), (3, 6985699504), (4, 5239274628), (6, 3492849752), (7, 2993871216), (8, 2619637314), (12, 1746424876), (14, 1496935608), (16, 1309818657), (21, 997957072), (24, 873212438), (28, 748467804), (42, 498978536), (43, 487374384), (48, 436606219), (49, 427695888), (56, 374233902), (61, 343558992), (79, 265279728), (84, 249489268), (86, 243687192), (98, 213847944), (112, 187116951), (122, 171779496), (129, 162458128), (147, 142565296), (158, 132639864), (168, 124744634), (172, 121843596), (183, 114519664), (196, 106923972), (237, 88426576), (244, 85889748), (258, 81229064), (294, 71282648), (301, 69624912), (316, 66319932), (336, 62372317), (344, 60921798), (366, 57259832), (392, 53461986), (427, 49079856), (474, 44213288), (488, 42944874), (516, 40614532), (553, 37897104), (588, 35641324), (602, 34812456), (632, 33159966), (688, 30460899), (732, 28629916), (784, 26730993), (854, 24539928), (903, 23208304), (948, 22106644), (976, 21472437), (1032, 20307266), (1106, 18948552), (1176, 17820662), (1204, 17406228), (1264, 16579983), (1281, 16359952), (1464, 14314958), (1659, 12632368), (1708, 12269964), (1806, 11604152), (1849, 11334288), (1896, 11053322), (2064, 10153633), (2107, 9946416), (2212, 9474276), (2352, 8910331), (2408, 8703114), (2562, 8179976), (2623, 7989744), (2928, 7157479), (2989, 7011408), (3318, 6316184), (3397, 6169296), (3416, 6134982), (3612, 5802076), (3698, 5667144), (3792, 5526661), (3871, 5413872), (4214, 4973208), (4424, 4737138), (4816, 4351557), (4819, 4348848), (5124, 4089988), (5246, 3994872), (5547, 3778096), (5978, 3505704), (6321, 3315472), (6636, 3158092), (6794, 3084648), (6832, 3067491), (7224, 2901038), (7396, 2833572), (7742, 2706936), (7869, 2663248), (8428, 2486604), (8848, 2368569), (8967, 2337136), (9638, 2174424), (10191, 2056432), (10248, 2044994), (10492, 1997436), (11094, 1889048), (11613, 1804624), (11956, 1752852), (12642, 1657736), (12943, 1619184), (13272, 1579046), (13588, 1542324), (14448, 1450519), (14457, 1449616), (14792, 1416786), (15484, 1353468), (15738, 1331624), (16856, 1243302), (17934, 1168568), (18361, 1141392), (19276, 1087212), (20382, 1028216), (20496, 1022497), (20984, 998718), (22188, 944524), (23226, 902312), (23779, 881328), (23912, 876426), (25284, 828868), (25886, 809592), (26544, 789523), (27176, 771162), (28914, 724808), (29584, 708393), (30968, 676734), (31476, 665812), (33712, 621651), (33733, 621264), (35868, 584284), (36722, 570696), (38552, 543606), (38829, 539728), (40764, 514108), (41968, 499359), (44376, 472262), (46452, 451156), (47558, 440664), (47824, 438213), (50568, 414434), (51772, 404796), (54352, 385581), (55083, 380464), (57828, 362404), (61936, 338367), (62952, 332906), (67466, 310632), (71337, 293776), (71736, 292142), (73444, 285348), (77104, 271803), (77658, 269864), (81528, 257054), (88752, 236131), (90601, 231312), (92904, 225578), (95116, 220332), (101136, 207217), (101199, 207088), (103544, 202398), (110166, 190232), (112789, 185808), (115656, 181202), (125904, 166453), (128527, 163056), (134932, 155316), (142674, 146888), (143472, 146071)]