20806561696

素因数分解:

$2^5\times {\mathrm{1307}}^1\times {\mathrm{497479}}^1$

素因数の和:498796

約数の個数: 24

約数和(自身を含む): 40994341920

約数和(自身を除く): 20187780224

約数列:

[1, 2, 4, 8, 16, 32, 1307, 2614, 5228, 10456, 20912, 41824, 497479, 994958, 1989916, 3979832, 7959664, 15919328, 650205053, 1300410106, 2600820212, 5201640424, 10403280848, 20806561696]

約数ペア:

[(1, 20806561696), (2, 10403280848), (4, 5201640424), (8, 2600820212), (16, 1300410106), (32, 650205053), (1307, 15919328), (2614, 7959664), (5228, 3979832), (10456, 1989916), (20912, 994958), (41824, 497479)]