20291799

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{16619}}^1$

素因数の和:16670

約数の個数: 16

約数和(自身を含む): 30314880

約数和(自身を除く): 10023081

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 16619, 49857, 182809, 548427, 614903, 1844709, 6763933, 20291799]

約数ペア:

[(1, 20291799), (3, 6763933), (11, 1844709), (33, 614903), (37, 548427), (111, 182809), (407, 49857), (1221, 16619)]