20519424

素因数分解:

$2^9\times 3^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 120

約数和(自身を含む): 61015812

約数和(自身を除く): 40496388

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 64, 72, 73, 96, 122, 128, 144, 146, 183, 192, 219, 244, 256, 288, 292, 366, 384, 438, 488, 512, 549, 576, 584, 657, 732, 768, 876, 976, 1098, 1152, 1168, 1314, 1464, 1536, 1752, 1952, 2196, 2304, 2336, 2628, 2928, 3504, 3904, 4392, 4453, 4608, 4672, 5256, 5856, 7008, 7808, 8784, 8906, 9344, 10512, 11712, 13359, 14016, 15616, 17568, 17812, 18688, 21024, 23424, 26718, 28032, 31232, 35136, 35624, 37376, 40077, 42048, 46848, 53436, 56064, 70272, 71248, 80154, 84096, 93696, 106872, 112128, 140544, 142496, 160308, 168192, 213744, 281088, 284992, 320616, 336384, 427488, 569984, 641232, 854976, 1139968, 1282464, 1709952, 2279936, 2564928, 3419904, 5129856, 6839808, 10259712, 20519424]

約数ペア:

[(1, 20519424), (2, 10259712), (3, 6839808), (4, 5129856), (6, 3419904), (8, 2564928), (9, 2279936), (12, 1709952), (16, 1282464), (18, 1139968), (24, 854976), (32, 641232), (36, 569984), (48, 427488), (61, 336384), (64, 320616), (72, 284992), (73, 281088), (96, 213744), (122, 168192), (128, 160308), (144, 142496), (146, 140544), (183, 112128), (192, 106872), (219, 93696), (244, 84096), (256, 80154), (288, 71248), (292, 70272), (366, 56064), (384, 53436), (438, 46848), (488, 42048), (512, 40077), (549, 37376), (576, 35624), (584, 35136), (657, 31232), (732, 28032), (768, 26718), (876, 23424), (976, 21024), (1098, 18688), (1152, 17812), (1168, 17568), (1314, 15616), (1464, 14016), (1536, 13359), (1752, 11712), (1952, 10512), (2196, 9344), (2304, 8906), (2336, 8784), (2628, 7808), (2928, 7008), (3504, 5856), (3904, 5256), (4392, 4672), (4453, 4608)]