20542368

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:435

約数の個数: 144

約数和(自身を含む): 68602464

約数和(自身を除く): 48060096

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 96, 98, 112, 132, 147, 154, 168, 176, 196, 224, 231, 264, 294, 308, 336, 352, 392, 397, 462, 528, 539, 588, 616, 672, 784, 794, 924, 1056, 1078, 1176, 1191, 1232, 1568, 1588, 1617, 1848, 2156, 2352, 2382, 2464, 2779, 3176, 3234, 3696, 4312, 4367, 4704, 4764, 5558, 6352, 6468, 7392, 8337, 8624, 8734, 9528, 11116, 12704, 12936, 13101, 16674, 17248, 17468, 19056, 19453, 22232, 25872, 26202, 30569, 33348, 34936, 38112, 38906, 44464, 51744, 52404, 58359, 61138, 66696, 69872, 77812, 88928, 91707, 104808, 116718, 122276, 133392, 139744, 155624, 183414, 209616, 213983, 233436, 244552, 266784, 311248, 366828, 419232, 427966, 466872, 489104, 622496, 641949, 733656, 855932, 933744, 978208, 1283898, 1467312, 1711864, 1867488, 2567796, 2934624, 3423728, 5135592, 6847456, 10271184, 20542368]

約数ペア:

[(1, 20542368), (2, 10271184), (3, 6847456), (4, 5135592), (6, 3423728), (7, 2934624), (8, 2567796), (11, 1867488), (12, 1711864), (14, 1467312), (16, 1283898), (21, 978208), (22, 933744), (24, 855932), (28, 733656), (32, 641949), (33, 622496), (42, 489104), (44, 466872), (48, 427966), (49, 419232), (56, 366828), (66, 311248), (77, 266784), (84, 244552), (88, 233436), (96, 213983), (98, 209616), (112, 183414), (132, 155624), (147, 139744), (154, 133392), (168, 122276), (176, 116718), (196, 104808), (224, 91707), (231, 88928), (264, 77812), (294, 69872), (308, 66696), (336, 61138), (352, 58359), (392, 52404), (397, 51744), (462, 44464), (528, 38906), (539, 38112), (588, 34936), (616, 33348), (672, 30569), (784, 26202), (794, 25872), (924, 22232), (1056, 19453), (1078, 19056), (1176, 17468), (1191, 17248), (1232, 16674), (1568, 13101), (1588, 12936), (1617, 12704), (1848, 11116), (2156, 9528), (2352, 8734), (2382, 8624), (2464, 8337), (2779, 7392), (3176, 6468), (3234, 6352), (3696, 5558), (4312, 4764), (4367, 4704)]