20477691

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19447}}^1$

素因数の和:19472

約数の個数: 20

約数和(自身を含む): 32944912

約数和(自身を除く): 12467221

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19447, 58341, 175023, 252811, 525069, 758433, 1575207, 2275299, 6825897, 20477691]

約数ペア:

[(1, 20477691), (3, 6825897), (9, 2275299), (13, 1575207), (27, 758433), (39, 525069), (81, 252811), (117, 175023), (351, 58341), (1053, 19447)]