20236491

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2879}}^1$

素因数の和:2967

約数の個数: 24

約数和(自身を含む): 32348160

約数和(自身を除く): 12111669

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 2343, 2879, 7029, 8637, 25911, 31669, 95007, 204409, 285021, 613227, 1839681, 2248499, 6745497, 20236491]

約数ペア:

[(1, 20236491), (3, 6745497), (9, 2248499), (11, 1839681), (33, 613227), (71, 285021), (99, 204409), (213, 95007), (639, 31669), (781, 25911), (2343, 8637), (2879, 7029)]