20899882

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{769}}^1$

素因数の和:1005

約数の個数: 16

約数和(自身を含む): 31933440

約数和(自身を除く): 11033558

約数列:

[1, 2, 107, 127, 214, 254, 769, 1538, 13589, 27178, 82283, 97663, 164566, 195326, 10449941, 20899882]

約数ペア:

[(1, 20899882), (2, 10449941), (107, 195326), (127, 164566), (214, 97663), (254, 82283), (769, 27178), (1538, 13589)]