20338443

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{433}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 31279248

約数和(自身を除く): 10940805

約数列:

[1, 3, 9, 17, 51, 153, 307, 433, 921, 1299, 2763, 3897, 5219, 7361, 15657, 22083, 46971, 66249, 132931, 398793, 1196379, 2259827, 6779481, 20338443]

約数ペア:

[(1, 20338443), (3, 6779481), (9, 2259827), (17, 1196379), (51, 398793), (153, 132931), (307, 66249), (433, 46971), (921, 22083), (1299, 15657), (2763, 7361), (3897, 5219)]