20556459

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29663}}^1$

素因数の和:29687

約数の個数: 24

約数和(自身を含む): 37020672

約数和(自身を除く): 16464213

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 29663, 88989, 207641, 266967, 326293, 622923, 978879, 1868769, 2284051, 2936637, 6852153, 20556459]

約数ペア:

[(1, 20556459), (3, 6852153), (7, 2936637), (9, 2284051), (11, 1868769), (21, 978879), (33, 622923), (63, 326293), (77, 266967), (99, 207641), (231, 88989), (693, 29663)]