20187786752

素因数分解:

$2^9\times 7^2\times {\mathrm{73}}^2\times {\mathrm{151}}^1$

素因数の和:329

約数の個数: 180

約数和(自身を含む): 47888258616

約数和(自身を除く): 27700471864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 73, 98, 112, 128, 146, 151, 196, 224, 256, 292, 302, 392, 448, 511, 512, 584, 604, 784, 896, 1022, 1057, 1168, 1208, 1568, 1792, 2044, 2114, 2336, 2416, 3136, 3577, 3584, 4088, 4228, 4672, 4832, 5329, 6272, 7154, 7399, 8176, 8456, 9344, 9664, 10658, 11023, 12544, 14308, 14798, 16352, 16912, 18688, 19328, 21316, 22046, 25088, 28616, 29596, 32704, 33824, 37303, 37376, 38656, 42632, 44092, 57232, 59192, 65408, 67648, 74606, 77161, 77312, 85264, 88184, 114464, 118384, 130816, 135296, 149212, 154322, 170528, 176368, 228928, 236768, 261121, 261632, 270592, 298424, 308644, 341056, 352736, 457856, 473536, 522242, 540127, 541184, 596848, 617288, 682112, 705472, 804679, 915712, 947072, 1044484, 1080254, 1193696, 1234576, 1364224, 1410944, 1609358, 1831424, 1894144, 2088968, 2160508, 2387392, 2469152, 2728448, 2821888, 3218716, 3788288, 4177936, 4321016, 4774784, 4938304, 5632753, 5643776, 6437432, 8355872, 8642032, 9549568, 9876608, 11265506, 12874864, 16711744, 17284064, 19099136, 19753216, 22531012, 25749728, 33423488, 34568128, 39429271, 39506432, 45062024, 51499456, 66846976, 69136256, 78858542, 90124048, 102998912, 133693952, 138272512, 157717084, 180248096, 205997824, 276545024, 315434168, 360496192, 411995648, 630868336, 720992384, 1261736672, 1441984768, 2523473344, 2883969536, 5046946688, 10093893376, 20187786752]

約数ペア:

[(1, 20187786752), (2, 10093893376), (4, 5046946688), (7, 2883969536), (8, 2523473344), (14, 1441984768), (16, 1261736672), (28, 720992384), (32, 630868336), (49, 411995648), (56, 360496192), (64, 315434168), (73, 276545024), (98, 205997824), (112, 180248096), (128, 157717084), (146, 138272512), (151, 133693952), (196, 102998912), (224, 90124048), (256, 78858542), (292, 69136256), (302, 66846976), (392, 51499456), (448, 45062024), (511, 39506432), (512, 39429271), (584, 34568128), (604, 33423488), (784, 25749728), (896, 22531012), (1022, 19753216), (1057, 19099136), (1168, 17284064), (1208, 16711744), (1568, 12874864), (1792, 11265506), (2044, 9876608), (2114, 9549568), (2336, 8642032), (2416, 8355872), (3136, 6437432), (3577, 5643776), (3584, 5632753), (4088, 4938304), (4228, 4774784), (4672, 4321016), (4832, 4177936), (5329, 3788288), (6272, 3218716), (7154, 2821888), (7399, 2728448), (8176, 2469152), (8456, 2387392), (9344, 2160508), (9664, 2088968), (10658, 1894144), (11023, 1831424), (12544, 1609358), (14308, 1410944), (14798, 1364224), (16352, 1234576), (16912, 1193696), (18688, 1080254), (19328, 1044484), (21316, 947072), (22046, 915712), (25088, 804679), (28616, 705472), (29596, 682112), (32704, 617288), (33824, 596848), (37303, 541184), (37376, 540127), (38656, 522242), (42632, 473536), (44092, 457856), (57232, 352736), (59192, 341056), (65408, 308644), (67648, 298424), (74606, 270592), (77161, 261632), (77312, 261121), (85264, 236768), (88184, 228928), (114464, 176368), (118384, 170528), (130816, 154322), (135296, 149212)]