20670531

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{719}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 32417280

約数和(自身を除く): 11746749

約数列:

[1, 3, 7, 21, 37, 111, 259, 719, 777, 1369, 2157, 4107, 5033, 9583, 15099, 26603, 28749, 79809, 186221, 558663, 984311, 2952933, 6890177, 20670531]

約数ペア:

[(1, 20670531), (3, 6890177), (7, 2952933), (21, 984311), (37, 558663), (111, 186221), (259, 79809), (719, 28749), (777, 26603), (1369, 15099), (2157, 9583), (4107, 5033)]