20111686976

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{991}}^1$

素因数の和:1280

約数の個数: 112

約数和(自身を含む): 42233868288

約数和(自身を除く): 22122181312

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 64, 106, 124, 193, 212, 248, 386, 424, 496, 772, 848, 991, 992, 1544, 1643, 1696, 1982, 1984, 3088, 3286, 3392, 3964, 5983, 6176, 6572, 7928, 10229, 11966, 12352, 13144, 15856, 20458, 23932, 26288, 30721, 31712, 40916, 47864, 52523, 52576, 61442, 63424, 81832, 95728, 105046, 105152, 122884, 163664, 191263, 191456, 210092, 245768, 317099, 327328, 382526, 382912, 420184, 491536, 634198, 654656, 765052, 840368, 983072, 1268396, 1530104, 1628213, 1680736, 1966144, 2536792, 3060208, 3256426, 3361472, 5073584, 5929153, 6120416, 6512852, 10136939, 10147168, 11858306, 12240832, 13025704, 20273878, 20294336, 23716612, 26051408, 40547756, 47433224, 52102816, 81095512, 94866448, 104205632, 162191024, 189732896, 314245109, 324382048, 379465792, 628490218, 648764096, 1256980436, 2513960872, 5027921744, 10055843488, 20111686976]

約数ペア:

[(1, 20111686976), (2, 10055843488), (4, 5027921744), (8, 2513960872), (16, 1256980436), (31, 648764096), (32, 628490218), (53, 379465792), (62, 324382048), (64, 314245109), (106, 189732896), (124, 162191024), (193, 104205632), (212, 94866448), (248, 81095512), (386, 52102816), (424, 47433224), (496, 40547756), (772, 26051408), (848, 23716612), (991, 20294336), (992, 20273878), (1544, 13025704), (1643, 12240832), (1696, 11858306), (1982, 10147168), (1984, 10136939), (3088, 6512852), (3286, 6120416), (3392, 5929153), (3964, 5073584), (5983, 3361472), (6176, 3256426), (6572, 3060208), (7928, 2536792), (10229, 1966144), (11966, 1680736), (12352, 1628213), (13144, 1530104), (15856, 1268396), (20458, 983072), (23932, 840368), (26288, 765052), (30721, 654656), (31712, 634198), (40916, 491536), (47864, 420184), (52523, 382912), (52576, 382526), (61442, 327328), (63424, 317099), (81832, 245768), (95728, 210092), (105046, 191456), (105152, 191263), (122884, 163664)]