20731359

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{16979}}^1$

素因数の和:17030

約数の個数: 16

約数和(自身を含む): 30971520

約数和(自身を除く): 10240161

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 16979, 50937, 186769, 560307, 628223, 1884669, 6910453, 20731359]

約数ペア:

[(1, 20731359), (3, 6910453), (11, 1884669), (33, 628223), (37, 560307), (111, 186769), (407, 50937), (1221, 16979)]