20057144

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1061}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 40143600

約数和(自身を除く): 20086456

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 556, 1061, 1112, 2122, 2363, 4244, 4726, 8488, 9452, 18037, 18904, 36074, 72148, 144296, 147479, 294958, 589916, 1179832, 2507143, 5014286, 10028572, 20057144]

約数ペア:

[(1, 20057144), (2, 10028572), (4, 5014286), (8, 2507143), (17, 1179832), (34, 589916), (68, 294958), (136, 147479), (139, 144296), (278, 72148), (556, 36074), (1061, 18904), (1112, 18037), (2122, 9452), (2363, 8488), (4244, 4726)]