20607776

素因数分解:

$2^5\times 7^1\times {\mathrm{197}}^1\times {\mathrm{467}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 26094880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 197, 224, 394, 467, 788, 934, 1379, 1576, 1868, 2758, 3152, 3269, 3736, 5516, 6304, 6538, 7472, 11032, 13076, 14944, 22064, 26152, 44128, 52304, 91999, 104608, 183998, 367996, 643993, 735992, 1287986, 1471984, 2575972, 2943968, 5151944, 10303888, 20607776]

約数ペア:

[(1, 20607776), (2, 10303888), (4, 5151944), (7, 2943968), (8, 2575972), (14, 1471984), (16, 1287986), (28, 735992), (32, 643993), (56, 367996), (112, 183998), (197, 104608), (224, 91999), (394, 52304), (467, 44128), (788, 26152), (934, 22064), (1379, 14944), (1576, 13076), (1868, 11032), (2758, 7472), (3152, 6538), (3269, 6304), (3736, 5516)]