20888936649

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3098789}}^1$

素因数の和:3098909

約数の個数: 24

約数和(自身を含む): 34805609280

約数和(自身を除く): 13916672631

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 6741, 3098789, 9296367, 21691523, 27889101, 65074569, 195223707, 331570423, 994711269, 2320992961, 2984133807, 6962978883, 20888936649]

約数ペア:

[(1, 20888936649), (3, 6962978883), (7, 2984133807), (9, 2320992961), (21, 994711269), (63, 331570423), (107, 195223707), (321, 65074569), (749, 27889101), (963, 21691523), (2247, 9296367), (6741, 3098789)]