20691177

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1103}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 30708864

約数和(自身を除く): 10017687

約数列:

[1, 3, 13, 37, 39, 111, 169, 481, 507, 1103, 1443, 3309, 6253, 14339, 18759, 40811, 43017, 122433, 186407, 530543, 559221, 1591629, 6897059, 20691177]

約数ペア:

[(1, 20691177), (3, 6897059), (13, 1591629), (37, 559221), (39, 530543), (111, 186407), (169, 122433), (481, 43017), (507, 40811), (1103, 18759), (1443, 14339), (3309, 6253)]