20165943

素因数分解:

$3^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{1187}}^1$

素因数の和:2006

約数の個数: 16

約数和(自身を含む): 30792960

約数和(自身を除く): 10627017

約数列:

[1, 3, 7, 21, 809, 1187, 2427, 3561, 5663, 8309, 16989, 24927, 960283, 2880849, 6721981, 20165943]

約数ペア:

[(1, 20165943), (3, 6721981), (7, 2880849), (21, 960283), (809, 24927), (1187, 16989), (2427, 8309), (3561, 5663)]