20468672

素因数分解:

$2^6\times 7^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 84

約数和(自身を含む): 48472344

約数和(自身を除く): 28003672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 61, 64, 98, 107, 112, 122, 196, 214, 224, 244, 392, 427, 428, 448, 488, 749, 784, 854, 856, 976, 1498, 1568, 1708, 1712, 1952, 2989, 2996, 3136, 3416, 3424, 3904, 5243, 5978, 5992, 6527, 6832, 6848, 10486, 11956, 11984, 13054, 13664, 20972, 23912, 23968, 26108, 27328, 41944, 45689, 47824, 47936, 52216, 83888, 91378, 95648, 104432, 167776, 182756, 191296, 208864, 319823, 335552, 365512, 417728, 639646, 731024, 1279292, 1462048, 2558584, 2924096, 5117168, 10234336, 20468672]

約数ペア:

[(1, 20468672), (2, 10234336), (4, 5117168), (7, 2924096), (8, 2558584), (14, 1462048), (16, 1279292), (28, 731024), (32, 639646), (49, 417728), (56, 365512), (61, 335552), (64, 319823), (98, 208864), (107, 191296), (112, 182756), (122, 167776), (196, 104432), (214, 95648), (224, 91378), (244, 83888), (392, 52216), (427, 47936), (428, 47824), (448, 45689), (488, 41944), (749, 27328), (784, 26108), (854, 23968), (856, 23912), (976, 20972), (1498, 13664), (1568, 13054), (1708, 11984), (1712, 11956), (1952, 10486), (2989, 6848), (2996, 6832), (3136, 6527), (3416, 5992), (3424, 5978), (3904, 5243)]