20405551104

素因数分解:

$2^{18}\times 3^4\times {\mathrm{31}}^2$

素因数の和:110

約数の個数: 285

約数和(自身を含む): 62994655911

約数和(自身を除く): 42589104807

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 128, 144, 162, 186, 192, 216, 248, 256, 279, 288, 324, 372, 384, 432, 496, 512, 558, 576, 648, 744, 768, 837, 864, 961, 992, 1024, 1116, 1152, 1296, 1488, 1536, 1674, 1728, 1922, 1984, 2048, 2232, 2304, 2511, 2592, 2883, 2976, 3072, 3348, 3456, 3844, 3968, 4096, 4464, 4608, 5022, 5184, 5766, 5952, 6144, 6696, 6912, 7688, 7936, 8192, 8649, 8928, 9216, 10044, 10368, 11532, 11904, 12288, 13392, 13824, 15376, 15872, 16384, 17298, 17856, 18432, 20088, 20736, 23064, 23808, 24576, 25947, 26784, 27648, 30752, 31744, 32768, 34596, 35712, 36864, 40176, 41472, 46128, 47616, 49152, 51894, 53568, 55296, 61504, 63488, 65536, 69192, 71424, 73728, 77841, 80352, 82944, 92256, 95232, 98304, 103788, 107136, 110592, 123008, 126976, 131072, 138384, 142848, 147456, 155682, 160704, 165888, 184512, 190464, 196608, 207576, 214272, 221184, 246016, 253952, 262144, 276768, 285696, 294912, 311364, 321408, 331776, 369024, 380928, 393216, 415152, 428544, 442368, 492032, 507904, 553536, 571392, 589824, 622728, 642816, 663552, 738048, 761856, 786432, 830304, 857088, 884736, 984064, 1015808, 1107072, 1142784, 1179648, 1245456, 1285632, 1327104, 1476096, 1523712, 1660608, 1714176, 1769472, 1968128, 2031616, 2214144, 2285568, 2359296, 2490912, 2571264, 2654208, 2952192, 3047424, 3321216, 3428352, 3538944, 3936256, 4063232, 4428288, 4571136, 4981824, 5142528, 5308416, 5904384, 6094848, 6642432, 6856704, 7077888, 7872512, 8126464, 8856576, 9142272, 9963648, 10285056, 10616832, 11808768, 12189696, 13284864, 13713408, 15745024, 17713152, 18284544, 19927296, 20570112, 21233664, 23617536, 24379392, 26569728, 27426816, 31490048, 35426304, 36569088, 39854592, 41140224, 47235072, 53139456, 54853632, 62980096, 70852608, 73138176, 79709184, 82280448, 94470144, 106278912, 109707264, 125960192, 141705216, 159418368, 164560896, 188940288, 212557824, 219414528, 251920384, 283410432, 318836736, 329121792, 377880576, 425115648, 566820864, 637673472, 658243584, 755761152, 850231296, 1133641728, 1275346944, 1700462592, 2267283456, 2550693888, 3400925184, 5101387776, 6801850368, 10202775552, 20405551104]

約数ペア:

[(1, 20405551104), (2, 10202775552), (3, 6801850368), (4, 5101387776), (6, 3400925184), (8, 2550693888), (9, 2267283456), (12, 1700462592), (16, 1275346944), (18, 1133641728), (24, 850231296), (27, 755761152), (31, 658243584), (32, 637673472), (36, 566820864), (48, 425115648), (54, 377880576), (62, 329121792), (64, 318836736), (72, 283410432), (81, 251920384), (93, 219414528), (96, 212557824), (108, 188940288), (124, 164560896), (128, 159418368), (144, 141705216), (162, 125960192), (186, 109707264), (192, 106278912), (216, 94470144), (248, 82280448), (256, 79709184), (279, 73138176), (288, 70852608), (324, 62980096), (372, 54853632), (384, 53139456), (432, 47235072), (496, 41140224), (512, 39854592), (558, 36569088), (576, 35426304), (648, 31490048), (744, 27426816), (768, 26569728), (837, 24379392), (864, 23617536), (961, 21233664), (992, 20570112), (1024, 19927296), (1116, 18284544), (1152, 17713152), (1296, 15745024), (1488, 13713408), (1536, 13284864), (1674, 12189696), (1728, 11808768), (1922, 10616832), (1984, 10285056), (2048, 9963648), (2232, 9142272), (2304, 8856576), (2511, 8126464), (2592, 7872512), (2883, 7077888), (2976, 6856704), (3072, 6642432), (3348, 6094848), (3456, 5904384), (3844, 5308416), (3968, 5142528), (4096, 4981824), (4464, 4571136), (4608, 4428288), (5022, 4063232), (5184, 3936256), (5766, 3538944), (5952, 3428352), (6144, 3321216), (6696, 3047424), (6912, 2952192), (7688, 2654208), (7936, 2571264), (8192, 2490912), (8649, 2359296), (8928, 2285568), (9216, 2214144), (10044, 2031616), (10368, 1968128), (11532, 1769472), (11904, 1714176), (12288, 1660608), (13392, 1523712), (13824, 1476096), (15376, 1327104), (15872, 1285632), (16384, 1245456), (17298, 1179648), (17856, 1142784), (18432, 1107072), (20088, 1015808), (20736, 984064), (23064, 884736), (23808, 857088), (24576, 830304), (25947, 786432), (26784, 761856), (27648, 738048), (30752, 663552), (31744, 642816), (32768, 622728), (34596, 589824), (35712, 571392), (36864, 553536), (40176, 507904), (41472, 492032), (46128, 442368), (47616, 428544), (49152, 415152), (51894, 393216), (53568, 380928), (55296, 369024), (61504, 331776), (63488, 321408), (65536, 311364), (69192, 294912), (71424, 285696), (73728, 276768), (77841, 262144), (80352, 253952), (82944, 246016), (92256, 221184), (95232, 214272), (98304, 207576), (103788, 196608), (107136, 190464), (110592, 184512), (123008, 165888), (126976, 160704), (131072, 155682), (138384, 147456)]