20208531

素因数分解:

$3^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 12047469

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 343, 479, 861, 1029, 1437, 2009, 3353, 6027, 10059, 14063, 19639, 23471, 42189, 58917, 70413, 137473, 164297, 412419, 492891, 962311, 2886933, 6736177, 20208531]

約数ペア:

[(1, 20208531), (3, 6736177), (7, 2886933), (21, 962311), (41, 492891), (49, 412419), (123, 164297), (147, 137473), (287, 70413), (343, 58917), (479, 42189), (861, 23471), (1029, 19639), (1437, 14063), (2009, 10059), (3353, 6027)]