20349819

素因数分解:

$3^3\times 7^1\times {\mathrm{107671}}^1$

素因数の和:107687

約数の個数: 16

約数和(自身を含む): 34455040

約数和(自身を除く): 14105221

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 107671, 323013, 753697, 969039, 2261091, 2907117, 6783273, 20349819]

約数ペア:

[(1, 20349819), (3, 6783273), (7, 2907117), (9, 2261091), (21, 969039), (27, 753697), (63, 323013), (189, 107671)]