20976069

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2789}}^1$

素因数の和:2924

約数の個数: 16

約数和(自身を含む): 29462400

約数和(自身を除く): 8486331

約数列:

[1, 3, 23, 69, 109, 327, 2507, 2789, 7521, 8367, 64147, 192441, 304001, 912003, 6992023, 20976069]

約数ペア:

[(1, 20976069), (3, 6992023), (23, 912003), (69, 304001), (109, 192441), (327, 64147), (2507, 8367), (2789, 7521)]