20384874

素因数分解:

$2^1\times 3^2\times {\mathrm{787}}^1\times {\mathrm{1439}}^1$

素因数の和:2234

約数の個数: 24

約数和(自身を含む): 44254080

約数和(自身を除く): 23869206

約数列:

[1, 2, 3, 6, 9, 18, 787, 1439, 1574, 2361, 2878, 4317, 4722, 7083, 8634, 12951, 14166, 25902, 1132493, 2264986, 3397479, 6794958, 10192437, 20384874]

約数ペア:

[(1, 20384874), (2, 10192437), (3, 6794958), (6, 3397479), (9, 2264986), (18, 1132493), (787, 25902), (1439, 14166), (1574, 12951), (2361, 8634), (2878, 7083), (4317, 4722)]