20165681792

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1697}}^1$

素因数の和:1898

約数の個数: 128

約数和(自身を含む): 43894794240

約数和(自身を除く): 23729112448

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 127, 128, 136, 172, 254, 272, 344, 508, 544, 688, 731, 1016, 1088, 1376, 1462, 1697, 2032, 2159, 2176, 2752, 2924, 3394, 4064, 4318, 5461, 5504, 5848, 6788, 8128, 8636, 10922, 11696, 13576, 16256, 17272, 21844, 23392, 27152, 28849, 34544, 43688, 46784, 54304, 57698, 69088, 72971, 87376, 92837, 93568, 108608, 115396, 138176, 145942, 174752, 185674, 215519, 217216, 230792, 276352, 291884, 349504, 371348, 431038, 461584, 583768, 699008, 742696, 862076, 923168, 1167536, 1240507, 1485392, 1724152, 1846336, 2335072, 2481014, 2970784, 3448304, 3663823, 3692672, 4670144, 4962028, 5941568, 6896608, 7327646, 9267317, 9340288, 9924056, 11883136, 13793216, 14655292, 18534634, 19848112, 27586432, 29310584, 37069268, 39696224, 58621168, 74138536, 79392448, 117242336, 148277072, 157544389, 158784896, 234484672, 296554144, 315088778, 468969344, 593108288, 630177556, 1186216576, 1260355112, 2520710224, 5041420448, 10082840896, 20165681792]

約数ペア:

[(1, 20165681792), (2, 10082840896), (4, 5041420448), (8, 2520710224), (16, 1260355112), (17, 1186216576), (32, 630177556), (34, 593108288), (43, 468969344), (64, 315088778), (68, 296554144), (86, 234484672), (127, 158784896), (128, 157544389), (136, 148277072), (172, 117242336), (254, 79392448), (272, 74138536), (344, 58621168), (508, 39696224), (544, 37069268), (688, 29310584), (731, 27586432), (1016, 19848112), (1088, 18534634), (1376, 14655292), (1462, 13793216), (1697, 11883136), (2032, 9924056), (2159, 9340288), (2176, 9267317), (2752, 7327646), (2924, 6896608), (3394, 5941568), (4064, 4962028), (4318, 4670144), (5461, 3692672), (5504, 3663823), (5848, 3448304), (6788, 2970784), (8128, 2481014), (8636, 2335072), (10922, 1846336), (11696, 1724152), (13576, 1485392), (16256, 1240507), (17272, 1167536), (21844, 923168), (23392, 862076), (27152, 742696), (28849, 699008), (34544, 583768), (43688, 461584), (46784, 431038), (54304, 371348), (57698, 349504), (69088, 291884), (72971, 276352), (87376, 230792), (92837, 217216), (93568, 215519), (108608, 185674), (115396, 174752), (138176, 145942)]