20347813521

素因数分解:

$3^3\times 7^1\times {\mathrm{107660389}}^1$

素因数の和:107660405

約数の個数: 16

約数和(自身を含む): 34451324800

約数和(自身を除く): 14103511279

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 107660389, 322981167, 753622723, 968943501, 2260868169, 2906830503, 6782604507, 20347813521]

約数ペア:

[(1, 20347813521), (3, 6782604507), (7, 2906830503), (9, 2260868169), (21, 968943501), (27, 753622723), (63, 322981167), (189, 107660389)]