20291267133

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{7801333}}^1$

素因数の和:7801373

約数の個数: 18

約数和(自身を含む): 31135123994

約数和(自身を除く): 10843856861

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 7801333, 23403999, 70211997, 132622661, 397867983, 1193603949, 2254585237, 6763755711, 20291267133]

約数ペア:

[(1, 20291267133), (3, 6763755711), (9, 2254585237), (17, 1193603949), (51, 397867983), (153, 132622661), (289, 70211997), (867, 23403999), (2601, 7801333)]