20849521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9337}}^1$

素因数の和:9384

約数の個数: 16

約数和(自身を含む): 26893440

約数和(自身を除く): 6043919

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 9337, 65359, 102707, 270773, 718949, 1895411, 2978503, 20849521]

約数ペア:

[(1, 20849521), (7, 2978503), (11, 1895411), (29, 718949), (77, 270773), (203, 102707), (319, 65359), (2233, 9337)]