20080521

素因数分解:

$3^3\times {\mathrm{563}}^1\times {\mathrm{1321}}^1$

素因数の和:1893

約数の個数: 16

約数和(自身を含む): 29824320

約数和(自身を除く): 9743799

約数列:

[1, 3, 9, 27, 563, 1321, 1689, 3963, 5067, 11889, 15201, 35667, 743723, 2231169, 6693507, 20080521]

約数ペア:

[(1, 20080521), (3, 6693507), (9, 2231169), (27, 743723), (563, 35667), (1321, 15201), (1689, 11889), (3963, 5067)]