20804619

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1549}}^1$

素因数の和:1611

約数の個数: 24

約数和(自身を含む): 31334800

約数和(自身を除く): 10530181

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 1549, 4477, 4647, 13431, 17039, 51117, 57313, 171939, 187429, 562287, 630443, 1891329, 6934873, 20804619]

約数ペア:

[(1, 20804619), (3, 6934873), (11, 1891329), (33, 630443), (37, 562287), (111, 187429), (121, 171939), (363, 57313), (407, 51117), (1221, 17039), (1549, 13431), (4477, 4647)]