20845689

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{11047}}^1$

素因数の和:11104

約数の個数: 16

約数和(自身を含む): 30227328

約数和(自身を除く): 9381639

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 11047, 33141, 187799, 408739, 563397, 1226217, 6948563, 20845689]

約数ペア:

[(1, 20845689), (3, 6948563), (17, 1226217), (37, 563397), (51, 408739), (111, 187799), (629, 33141), (1887, 11047)]