20514053

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 26864640

約数和(自身を除く): 6350587

約数列:

[1, 7, 17, 19, 43, 119, 133, 211, 301, 323, 731, 817, 1477, 2261, 3587, 4009, 5117, 5719, 9073, 13889, 25109, 28063, 63511, 68153, 97223, 154241, 172387, 477071, 1079687, 1206709, 2930579, 20514053]

約数ペア:

[(1, 20514053), (7, 2930579), (17, 1206709), (19, 1079687), (43, 477071), (119, 172387), (133, 154241), (211, 97223), (301, 68153), (323, 63511), (731, 28063), (817, 25109), (1477, 13889), (2261, 9073), (3587, 5719), (4009, 5117)]