20488193

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1723}}^1$

素因数の和:1804

約数の個数: 16

約数和(自身を含む): 23832576

約数和(自身を除く): 3344383

約数列:

[1, 11, 23, 47, 253, 517, 1081, 1723, 11891, 18953, 39629, 80981, 435919, 890791, 1862563, 20488193]

約数ペア:

[(1, 20488193), (11, 1862563), (23, 890791), (47, 435919), (253, 80981), (517, 39629), (1081, 18953), (1723, 11891)]