20165202568

素因数分解:

$2^3\times 7^1\times {\mathrm{1979}}^1\times {\mathrm{181957}}^1$

素因数の和:183949

約数の個数: 32

約数和(自身を含む): 43233220800

約数和(自身を除く): 23068018232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1979, 3958, 7916, 13853, 15832, 27706, 55412, 110824, 181957, 363914, 727828, 1273699, 1455656, 2547398, 5094796, 10189592, 360092903, 720185806, 1440371612, 2520650321, 2880743224, 5041300642, 10082601284, 20165202568]

約数ペア:

[(1, 20165202568), (2, 10082601284), (4, 5041300642), (7, 2880743224), (8, 2520650321), (14, 1440371612), (28, 720185806), (56, 360092903), (1979, 10189592), (3958, 5094796), (7916, 2547398), (13853, 1455656), (15832, 1273699), (27706, 727828), (55412, 363914), (110824, 181957)]