20139609

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22303}}^1$

素因数の和:22356

約数の個数: 16

約数和(自身を含む): 31404032

約数和(自身を除く): 11264423

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22303, 66909, 156121, 468363, 959029, 2877087, 6713203, 20139609]

約数ペア:

[(1, 20139609), (3, 6713203), (7, 2877087), (21, 959029), (43, 468363), (129, 156121), (301, 66909), (903, 22303)]