20107761

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{1693}}^1$

素因数の和:1840

約数の個数: 16

約数和(自身を含む): 27808704

約数和(自身を除く): 7700943

約数列:

[1, 3, 37, 107, 111, 321, 1693, 3959, 5079, 11877, 62641, 181151, 187923, 543453, 6702587, 20107761]

約数ペア:

[(1, 20107761), (3, 6702587), (37, 543453), (107, 187923), (111, 181151), (321, 62641), (1693, 11877), (3959, 5079)]