20971678910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{2297}}^1$

素因数の和:2530

約数の個数: 128

約数和(自身を含む): 47439544320

約数和(自身を除く): 26467865410

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 79, 91, 127, 130, 158, 182, 254, 395, 455, 553, 635, 790, 889, 910, 1027, 1106, 1270, 1651, 1778, 2054, 2297, 2765, 3302, 4445, 4594, 5135, 5530, 7189, 8255, 8890, 10033, 10270, 11485, 11557, 14378, 16079, 16510, 20066, 22970, 23114, 29861, 32158, 35945, 50165, 57785, 59722, 70231, 71890, 80395, 100330, 115570, 130429, 140462, 149305, 160790, 181463, 209027, 260858, 291719, 298610, 351155, 362926, 418054, 583438, 652145, 702310, 907315, 913003, 1045135, 1270241, 1304290, 1458595, 1814630, 1826006, 2042033, 2090270, 2359019, 2540482, 2917190, 3792347, 4084066, 4565015, 4718038, 6351205, 7584694, 9130030, 10210165, 11795095, 12702410, 16513133, 18961735, 20420330, 23045801, 23590190, 26546429, 33026266, 37923470, 46091602, 53092858, 82565665, 115229005, 132732145, 161320607, 165131330, 230458010, 265464290, 299595413, 322641214, 599190826, 806603035, 1497977065, 1613206070, 2097167891, 2995954130, 4194335782, 10485839455, 20971678910]

約数ペア:

[(1, 20971678910), (2, 10485839455), (5, 4194335782), (7, 2995954130), (10, 2097167891), (13, 1613206070), (14, 1497977065), (26, 806603035), (35, 599190826), (65, 322641214), (70, 299595413), (79, 265464290), (91, 230458010), (127, 165131330), (130, 161320607), (158, 132732145), (182, 115229005), (254, 82565665), (395, 53092858), (455, 46091602), (553, 37923470), (635, 33026266), (790, 26546429), (889, 23590190), (910, 23045801), (1027, 20420330), (1106, 18961735), (1270, 16513133), (1651, 12702410), (1778, 11795095), (2054, 10210165), (2297, 9130030), (2765, 7584694), (3302, 6351205), (4445, 4718038), (4594, 4565015), (5135, 4084066), (5530, 3792347), (7189, 2917190), (8255, 2540482), (8890, 2359019), (10033, 2090270), (10270, 2042033), (11485, 1826006), (11557, 1814630), (14378, 1458595), (16079, 1304290), (16510, 1270241), (20066, 1045135), (22970, 913003), (23114, 907315), (29861, 702310), (32158, 652145), (35945, 583438), (50165, 418054), (57785, 362926), (59722, 351155), (70231, 298610), (71890, 291719), (80395, 260858), (100330, 209027), (115570, 181463), (130429, 160790), (140462, 149305)]