20540576

素因数分解:

$2^5\times 7^1\times {\mathrm{107}}^1\times {\mathrm{857}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 46702656

約数和(自身を除く): 26162080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 107, 112, 214, 224, 428, 749, 856, 857, 1498, 1712, 1714, 2996, 3424, 3428, 5992, 5999, 6856, 11984, 11998, 13712, 23968, 23996, 27424, 47992, 91699, 95984, 183398, 191968, 366796, 641893, 733592, 1283786, 1467184, 2567572, 2934368, 5135144, 10270288, 20540576]

約数ペア:

[(1, 20540576), (2, 10270288), (4, 5135144), (7, 2934368), (8, 2567572), (14, 1467184), (16, 1283786), (28, 733592), (32, 641893), (56, 366796), (107, 191968), (112, 183398), (214, 95984), (224, 91699), (428, 47992), (749, 27424), (856, 23996), (857, 23968), (1498, 13712), (1712, 11998), (1714, 11984), (2996, 6856), (3424, 5999), (3428, 5992)]