20081853

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2857}}^1$

素因数の和:2945

約数の個数: 24

約数和(自身を含む): 32101056

約数和(自身を除く): 12019203

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 2857, 7029, 8571, 25713, 31427, 94281, 202847, 282843, 608541, 1825623, 2231317, 6693951, 20081853]

約数ペア:

[(1, 20081853), (3, 6693951), (9, 2231317), (11, 1825623), (33, 608541), (71, 282843), (99, 202847), (213, 94281), (639, 31427), (781, 25713), (2343, 8571), (2857, 7029)]