20308077

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{613}}^1$

素因数の和:1034

約数の個数: 20

約数和(自身を含む): 30460540

約数和(自身を除く): 10152463

約数列:

[1, 3, 9, 27, 81, 409, 613, 1227, 1839, 3681, 5517, 11043, 16551, 33129, 49653, 250717, 752151, 2256453, 6769359, 20308077]

約数ペア:

[(1, 20308077), (3, 6769359), (9, 2256453), (27, 752151), (81, 250717), (409, 49653), (613, 33129), (1227, 16551), (1839, 11043), (3681, 5517)]