20615705968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{743}}^1$

素因数の和:1023

約数の個数: 160

約数和(自身を含む): 47953930752

約数和(自身を除く): 27338224784

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 67, 88, 104, 134, 143, 176, 181, 208, 268, 286, 362, 536, 572, 724, 737, 743, 871, 1072, 1144, 1448, 1474, 1486, 1742, 1991, 2288, 2353, 2896, 2948, 2972, 3484, 3982, 4706, 5896, 5944, 6968, 7964, 8173, 9412, 9581, 9659, 11792, 11888, 12127, 13936, 15928, 16346, 18824, 19162, 19318, 24254, 25883, 31856, 32692, 37648, 38324, 38636, 48508, 49781, 51766, 65384, 76648, 77272, 97016, 99562, 103532, 106249, 130768, 133397, 134483, 153296, 154544, 157651, 194032, 199124, 207064, 212498, 266794, 268966, 315302, 398248, 414128, 424996, 533588, 537932, 547591, 630604, 647153, 796496, 849992, 1067176, 1075864, 1095182, 1261208, 1294306, 1479313, 1699984, 1734161, 1748279, 2134352, 2151728, 2190364, 2522416, 2588612, 2958626, 3468322, 3496558, 4380728, 5177224, 5917252, 6936644, 6993116, 7118683, 8761456, 9010361, 10354448, 11834504, 13873288, 13986232, 14237366, 18020722, 19231069, 23669008, 27746576, 27972464, 28474732, 36041444, 38462138, 56949464, 72082888, 76924276, 99113971, 113898928, 117134693, 144165776, 153848552, 198227942, 234269386, 307697104, 396455884, 468538772, 792911768, 937077544, 1288481623, 1585823536, 1874155088, 2576963246, 5153926492, 10307852984, 20615705968]

約数ペア:

[(1, 20615705968), (2, 10307852984), (4, 5153926492), (8, 2576963246), (11, 1874155088), (13, 1585823536), (16, 1288481623), (22, 937077544), (26, 792911768), (44, 468538772), (52, 396455884), (67, 307697104), (88, 234269386), (104, 198227942), (134, 153848552), (143, 144165776), (176, 117134693), (181, 113898928), (208, 99113971), (268, 76924276), (286, 72082888), (362, 56949464), (536, 38462138), (572, 36041444), (724, 28474732), (737, 27972464), (743, 27746576), (871, 23669008), (1072, 19231069), (1144, 18020722), (1448, 14237366), (1474, 13986232), (1486, 13873288), (1742, 11834504), (1991, 10354448), (2288, 9010361), (2353, 8761456), (2896, 7118683), (2948, 6993116), (2972, 6936644), (3484, 5917252), (3982, 5177224), (4706, 4380728), (5896, 3496558), (5944, 3468322), (6968, 2958626), (7964, 2588612), (8173, 2522416), (9412, 2190364), (9581, 2151728), (9659, 2134352), (11792, 1748279), (11888, 1734161), (12127, 1699984), (13936, 1479313), (15928, 1294306), (16346, 1261208), (18824, 1095182), (19162, 1075864), (19318, 1067176), (24254, 849992), (25883, 796496), (31856, 647153), (32692, 630604), (37648, 547591), (38324, 537932), (38636, 533588), (48508, 424996), (49781, 414128), (51766, 398248), (65384, 315302), (76648, 268966), (77272, 266794), (97016, 212498), (99562, 207064), (103532, 199124), (106249, 194032), (130768, 157651), (133397, 154544), (134483, 153296)]