20097735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{691}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 36936192

約数和(自身を除く): 16838457

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 277, 691, 831, 1385, 1939, 2073, 3455, 4155, 4837, 5817, 9695, 10365, 14511, 24185, 29085, 72555, 191407, 574221, 957035, 1339849, 2871105, 4019547, 6699245, 20097735]

約数ペア:

[(1, 20097735), (3, 6699245), (5, 4019547), (7, 2871105), (15, 1339849), (21, 957035), (35, 574221), (105, 191407), (277, 72555), (691, 29085), (831, 24185), (1385, 14511), (1939, 10365), (2073, 9695), (3455, 5817), (4155, 4837)]