20835584

素因数分解:

$2^8\times 7^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1$

素因数の和:192

約数の個数: 108

約数和(自身を含む): 53127648

約数和(自身を除く): 32292064

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 128, 151, 154, 176, 196, 224, 256, 302, 308, 352, 392, 448, 539, 604, 616, 704, 784, 896, 1057, 1078, 1208, 1232, 1408, 1568, 1661, 1792, 2114, 2156, 2416, 2464, 2816, 3136, 3322, 4228, 4312, 4832, 4928, 6272, 6644, 7399, 8456, 8624, 9664, 9856, 11627, 12544, 13288, 14798, 16912, 17248, 19328, 19712, 23254, 26576, 29596, 33824, 34496, 38656, 46508, 53152, 59192, 67648, 68992, 81389, 93016, 106304, 118384, 135296, 137984, 162778, 186032, 212608, 236768, 270592, 325556, 372064, 425216, 473536, 651112, 744128, 947072, 1302224, 1488256, 1894144, 2604448, 2976512, 5208896, 10417792, 20835584]

約数ペア:

[(1, 20835584), (2, 10417792), (4, 5208896), (7, 2976512), (8, 2604448), (11, 1894144), (14, 1488256), (16, 1302224), (22, 947072), (28, 744128), (32, 651112), (44, 473536), (49, 425216), (56, 372064), (64, 325556), (77, 270592), (88, 236768), (98, 212608), (112, 186032), (128, 162778), (151, 137984), (154, 135296), (176, 118384), (196, 106304), (224, 93016), (256, 81389), (302, 68992), (308, 67648), (352, 59192), (392, 53152), (448, 46508), (539, 38656), (604, 34496), (616, 33824), (704, 29596), (784, 26576), (896, 23254), (1057, 19712), (1078, 19328), (1208, 17248), (1232, 16912), (1408, 14798), (1568, 13288), (1661, 12544), (1792, 11627), (2114, 9856), (2156, 9664), (2416, 8624), (2464, 8456), (2816, 7399), (3136, 6644), (3322, 6272), (4228, 4928), (4312, 4832)]