20178432

素因数分解:

$2^9\times 3^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 120

約数和(自身を含む): 60643440

約数和(自身を除く): 40465008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 128, 144, 151, 174, 192, 232, 256, 261, 288, 302, 348, 384, 453, 464, 512, 522, 576, 604, 696, 768, 906, 928, 1044, 1152, 1208, 1359, 1392, 1536, 1812, 1856, 2088, 2304, 2416, 2718, 2784, 3624, 3712, 4176, 4379, 4608, 4832, 5436, 5568, 7248, 7424, 8352, 8758, 9664, 10872, 11136, 13137, 14496, 14848, 16704, 17516, 19328, 21744, 22272, 26274, 28992, 33408, 35032, 38656, 39411, 43488, 44544, 52548, 57984, 66816, 70064, 77312, 78822, 86976, 105096, 115968, 133632, 140128, 157644, 173952, 210192, 231936, 280256, 315288, 347904, 420384, 560512, 630576, 695808, 840768, 1121024, 1261152, 1681536, 2242048, 2522304, 3363072, 5044608, 6726144, 10089216, 20178432]

約数ペア:

[(1, 20178432), (2, 10089216), (3, 6726144), (4, 5044608), (6, 3363072), (8, 2522304), (9, 2242048), (12, 1681536), (16, 1261152), (18, 1121024), (24, 840768), (29, 695808), (32, 630576), (36, 560512), (48, 420384), (58, 347904), (64, 315288), (72, 280256), (87, 231936), (96, 210192), (116, 173952), (128, 157644), (144, 140128), (151, 133632), (174, 115968), (192, 105096), (232, 86976), (256, 78822), (261, 77312), (288, 70064), (302, 66816), (348, 57984), (384, 52548), (453, 44544), (464, 43488), (512, 39411), (522, 38656), (576, 35032), (604, 33408), (696, 28992), (768, 26274), (906, 22272), (928, 21744), (1044, 19328), (1152, 17516), (1208, 16704), (1359, 14848), (1392, 14496), (1536, 13137), (1812, 11136), (1856, 10872), (2088, 9664), (2304, 8758), (2416, 8352), (2718, 7424), (2784, 7248), (3624, 5568), (3712, 5436), (4176, 4832), (4379, 4608)]