20831776

素因数分解:

$2^5\times 7^1\times {\mathrm{113}}^1\times {\mathrm{823}}^1$

素因数の和:953

約数の個数: 48

約数和(自身を含む): 47343744

約数和(自身を除く): 26511968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 113, 224, 226, 452, 791, 823, 904, 1582, 1646, 1808, 3164, 3292, 3616, 5761, 6328, 6584, 11522, 12656, 13168, 23044, 25312, 26336, 46088, 92176, 92999, 184352, 185998, 371996, 650993, 743992, 1301986, 1487984, 2603972, 2975968, 5207944, 10415888, 20831776]

約数ペア:

[(1, 20831776), (2, 10415888), (4, 5207944), (7, 2975968), (8, 2603972), (14, 1487984), (16, 1301986), (28, 743992), (32, 650993), (56, 371996), (112, 185998), (113, 184352), (224, 92999), (226, 92176), (452, 46088), (791, 26336), (823, 25312), (904, 23044), (1582, 13168), (1646, 12656), (1808, 11522), (3164, 6584), (3292, 6328), (3616, 5761)]