20554149

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{8089}}^1$

素因数の和:8121

約数の個数: 24

約数和(自身を含む): 34431040

約数和(自身を除く): 13876891

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 8089, 24267, 56623, 88979, 169869, 266937, 622853, 978769, 1868559, 2936307, 6851383, 20554149]

約数ペア:

[(1, 20554149), (3, 6851383), (7, 2936307), (11, 1868559), (21, 978769), (33, 622853), (77, 266937), (121, 169869), (231, 88979), (363, 56623), (847, 24267), (2541, 8089)]