20781617688

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^3\times {\mathrm{83}}^1$

素因数の和:181

約数の個数: 384

約数和(自身を含む): 66775968000

約数和(自身を除く): 45994350312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 27, 36, 38, 39, 52, 54, 57, 72, 76, 78, 83, 104, 108, 114, 117, 152, 156, 166, 169, 171, 216, 228, 234, 247, 249, 312, 332, 338, 342, 351, 361, 456, 468, 494, 498, 507, 513, 664, 676, 684, 702, 722, 741, 747, 936, 988, 996, 1014, 1026, 1079, 1083, 1352, 1368, 1404, 1444, 1482, 1494, 1521, 1577, 1976, 1992, 2028, 2052, 2158, 2166, 2223, 2241, 2808, 2888, 2964, 2988, 3042, 3154, 3211, 3237, 3249, 4056, 4104, 4316, 4332, 4446, 4482, 4563, 4693, 4731, 5928, 5976, 6084, 6308, 6422, 6474, 6498, 6669, 6859, 8632, 8664, 8892, 8964, 9126, 9386, 9462, 9633, 9711, 9747, 12168, 12616, 12844, 12948, 12996, 13338, 13718, 14027, 14079, 14193, 17784, 17928, 18252, 18772, 18924, 19266, 19422, 19494, 20501, 20577, 25688, 25896, 25992, 26676, 27436, 28054, 28158, 28386, 28899, 29133, 29963, 36504, 37544, 37848, 38532, 38844, 38988, 41002, 41154, 42081, 42237, 42579, 53352, 54872, 56108, 56316, 56772, 57798, 58266, 59926, 61009, 61503, 61731, 77064, 77688, 77976, 82004, 82308, 84162, 84474, 85158, 86697, 89167, 89889, 112216, 112632, 113544, 115596, 116532, 119852, 122018, 123006, 123462, 126243, 126711, 164008, 164616, 168324, 168948, 170316, 173394, 178334, 179778, 183027, 184509, 185193, 231192, 233064, 239704, 244036, 246012, 246924, 252486, 253422, 266513, 267501, 269667, 336648, 337896, 340632, 346788, 356668, 359556, 366054, 369018, 370386, 378729, 389519, 488072, 492024, 493848, 504972, 506844, 533026, 535002, 539334, 549081, 553527, 569297, 693576, 713336, 719112, 732108, 738036, 740772, 757458, 779038, 799539, 802503, 809001, 1009944, 1013688, 1066052, 1070004, 1078668, 1098162, 1107054, 1138594, 1159171, 1168557, 1464216, 1476072, 1481544, 1514916, 1558076, 1599078, 1605006, 1618002, 1647243, 1707891, 2132104, 2140008, 2157336, 2196324, 2214108, 2277188, 2318342, 2337114, 2398617, 2407509, 3029832, 3116152, 3198156, 3210012, 3236004, 3294486, 3415782, 3477513, 3505671, 4392648, 4428216, 4554376, 4636684, 4674228, 4797234, 4815018, 5063747, 5123673, 6396312, 6420024, 6472008, 6588972, 6831564, 6955026, 7011342, 7195851, 7400861, 9273368, 9348456, 9594468, 9630036, 10127494, 10247346, 10432539, 10517013, 13177944, 13663128, 13910052, 14022684, 14391702, 14801722, 15191241, 15371019, 19188936, 19260072, 20254988, 20494692, 20865078, 21034026, 22202583, 27820104, 28045368, 28783404, 29603444, 30382482, 30742038, 31297617, 40509976, 40989384, 41730156, 42068052, 44405166, 45573723, 57566808, 59206888, 60764964, 61484076, 62595234, 66607749, 83460312, 84136104, 88810332, 91147446, 96211193, 121529928, 122968152, 125190468, 133215498, 136721169, 177620664, 182294892, 192422386, 199823247, 250380936, 266430996, 273442338, 288633579, 364589784, 384844772, 399646494, 532861992, 546884676, 577267158, 769689544, 799292988, 865900737, 1093769352, 1154534316, 1598585976, 1731801474, 2309068632, 2597702211, 3463602948, 5195404422, 6927205896, 10390808844, 20781617688]

約数ペア:

[(1, 20781617688), (2, 10390808844), (3, 6927205896), (4, 5195404422), (6, 3463602948), (8, 2597702211), (9, 2309068632), (12, 1731801474), (13, 1598585976), (18, 1154534316), (19, 1093769352), (24, 865900737), (26, 799292988), (27, 769689544), (36, 577267158), (38, 546884676), (39, 532861992), (52, 399646494), (54, 384844772), (57, 364589784), (72, 288633579), (76, 273442338), (78, 266430996), (83, 250380936), (104, 199823247), (108, 192422386), (114, 182294892), (117, 177620664), (152, 136721169), (156, 133215498), (166, 125190468), (169, 122968152), (171, 121529928), (216, 96211193), (228, 91147446), (234, 88810332), (247, 84136104), (249, 83460312), (312, 66607749), (332, 62595234), (338, 61484076), (342, 60764964), (351, 59206888), (361, 57566808), (456, 45573723), (468, 44405166), (494, 42068052), (498, 41730156), (507, 40989384), (513, 40509976), (664, 31297617), (676, 30742038), (684, 30382482), (702, 29603444), (722, 28783404), (741, 28045368), (747, 27820104), (936, 22202583), (988, 21034026), (996, 20865078), (1014, 20494692), (1026, 20254988), (1079, 19260072), (1083, 19188936), (1352, 15371019), (1368, 15191241), (1404, 14801722), (1444, 14391702), (1482, 14022684), (1494, 13910052), (1521, 13663128), (1577, 13177944), (1976, 10517013), (1992, 10432539), (2028, 10247346), (2052, 10127494), (2158, 9630036), (2166, 9594468), (2223, 9348456), (2241, 9273368), (2808, 7400861), (2888, 7195851), (2964, 7011342), (2988, 6955026), (3042, 6831564), (3154, 6588972), (3211, 6472008), (3237, 6420024), (3249, 6396312), (4056, 5123673), (4104, 5063747), (4316, 4815018), (4332, 4797234), (4446, 4674228), (4482, 4636684), (4563, 4554376), (4693, 4428216), (4731, 4392648), (5928, 3505671), (5976, 3477513), (6084, 3415782), (6308, 3294486), (6422, 3236004), (6474, 3210012), (6498, 3198156), (6669, 3116152), (6859, 3029832), (8632, 2407509), (8664, 2398617), (8892, 2337114), (8964, 2318342), (9126, 2277188), (9386, 2214108), (9462, 2196324), (9633, 2157336), (9711, 2140008), (9747, 2132104), (12168, 1707891), (12616, 1647243), (12844, 1618002), (12948, 1605006), (12996, 1599078), (13338, 1558076), (13718, 1514916), (14027, 1481544), (14079, 1476072), (14193, 1464216), (17784, 1168557), (17928, 1159171), (18252, 1138594), (18772, 1107054), (18924, 1098162), (19266, 1078668), (19422, 1070004), (19494, 1066052), (20501, 1013688), (20577, 1009944), (25688, 809001), (25896, 802503), (25992, 799539), (26676, 779038), (27436, 757458), (28054, 740772), (28158, 738036), (28386, 732108), (28899, 719112), (29133, 713336), (29963, 693576), (36504, 569297), (37544, 553527), (37848, 549081), (38532, 539334), (38844, 535002), (38988, 533026), (41002, 506844), (41154, 504972), (42081, 493848), (42237, 492024), (42579, 488072), (53352, 389519), (54872, 378729), (56108, 370386), (56316, 369018), (56772, 366054), (57798, 359556), (58266, 356668), (59926, 346788), (61009, 340632), (61503, 337896), (61731, 336648), (77064, 269667), (77688, 267501), (77976, 266513), (82004, 253422), (82308, 252486), (84162, 246924), (84474, 246012), (85158, 244036), (86697, 239704), (89167, 233064), (89889, 231192), (112216, 185193), (112632, 184509), (113544, 183027), (115596, 179778), (116532, 178334), (119852, 173394), (122018, 170316), (123006, 168948), (123462, 168324), (126243, 164616), (126711, 164008)]