20138381696

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3779}}^1$

素因数の和:3920

約数の個数: 128

約数和(自身を含む): 44416512000

約数和(自身を除く): 24278130304

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 79, 124, 128, 136, 158, 248, 272, 316, 496, 527, 544, 632, 992, 1054, 1088, 1264, 1343, 1984, 2108, 2176, 2449, 2528, 2686, 3779, 3968, 4216, 4898, 5056, 5372, 7558, 8432, 9796, 10112, 10744, 15116, 16864, 19592, 21488, 30232, 33728, 39184, 41633, 42976, 60464, 64243, 67456, 78368, 83266, 85952, 117149, 120928, 128486, 156736, 166532, 171904, 234298, 241856, 256972, 298541, 313472, 333064, 468596, 483712, 513944, 597082, 666128, 937192, 1027888, 1194164, 1332256, 1874384, 1991533, 2055776, 2388328, 2664512, 3748768, 3983066, 4111552, 4776656, 5075197, 5329024, 7497536, 7966132, 8223104, 9254771, 9553312, 10150394, 14995072, 15932264, 18509542, 19106624, 20300788, 31864528, 37019084, 38213248, 40601576, 63729056, 74038168, 81203152, 127458112, 148076336, 157331107, 162406304, 254916224, 296152672, 314662214, 324812608, 592305344, 629324428, 649625216, 1184610688, 1258648856, 2517297712, 5034595424, 10069190848, 20138381696]

約数ペア:

[(1, 20138381696), (2, 10069190848), (4, 5034595424), (8, 2517297712), (16, 1258648856), (17, 1184610688), (31, 649625216), (32, 629324428), (34, 592305344), (62, 324812608), (64, 314662214), (68, 296152672), (79, 254916224), (124, 162406304), (128, 157331107), (136, 148076336), (158, 127458112), (248, 81203152), (272, 74038168), (316, 63729056), (496, 40601576), (527, 38213248), (544, 37019084), (632, 31864528), (992, 20300788), (1054, 19106624), (1088, 18509542), (1264, 15932264), (1343, 14995072), (1984, 10150394), (2108, 9553312), (2176, 9254771), (2449, 8223104), (2528, 7966132), (2686, 7497536), (3779, 5329024), (3968, 5075197), (4216, 4776656), (4898, 4111552), (5056, 3983066), (5372, 3748768), (7558, 2664512), (8432, 2388328), (9796, 2055776), (10112, 1991533), (10744, 1874384), (15116, 1332256), (16864, 1194164), (19592, 1027888), (21488, 937192), (30232, 666128), (33728, 597082), (39184, 513944), (41633, 483712), (42976, 468596), (60464, 333064), (64243, 313472), (67456, 298541), (78368, 256972), (83266, 241856), (85952, 234298), (117149, 171904), (120928, 166532), (128486, 156736)]