20378001

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22567}}^1$

素因数の和:22620

約数の個数: 16

約数和(自身を含む): 31775744

約数和(自身を除く): 11397743

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22567, 67701, 157969, 473907, 970381, 2911143, 6792667, 20378001]

約数ペア:

[(1, 20378001), (3, 6792667), (7, 2911143), (21, 970381), (43, 473907), (129, 157969), (301, 67701), (903, 22567)]