20743911

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{4441}}^1$

素因数の和:4623

約数の個数: 16

約数和(自身を含む): 30916320

約数和(自身を除く): 10172409

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4441, 4671, 13323, 39969, 119907, 768293, 2304879, 6914637, 20743911]

約数ペア:

[(1, 20743911), (3, 6914637), (9, 2304879), (27, 768293), (173, 119907), (519, 39969), (1557, 13323), (4441, 4671)]