20354661

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{769}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 31351320

約数和(自身を除く): 10996659

約数列:

[1, 3, 9, 17, 51, 153, 173, 519, 769, 1557, 2307, 2941, 6921, 8823, 13073, 26469, 39219, 117657, 133037, 399111, 1197333, 2261629, 6784887, 20354661]

約数ペア:

[(1, 20354661), (3, 6784887), (9, 2261629), (17, 1197333), (51, 399111), (153, 133037), (173, 117657), (519, 39219), (769, 26469), (1557, 13073), (2307, 8823), (2941, 6921)]