20195067

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 27643680

約数和(自身を除く): 7448613

約数列:

[1, 3, 53, 157, 159, 471, 809, 2427, 8321, 24963, 42877, 127013, 128631, 381039, 6731689, 20195067]

約数ペア:

[(1, 20195067), (3, 6731689), (53, 381039), (157, 128631), (159, 127013), (471, 42877), (809, 24963), (2427, 8321)]