20995502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25793}}^1$

素因数の和:25843

約数の個数: 16

約数和(自身を含む): 35286192

約数和(自身を除く): 14290690

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25793, 51586, 283723, 567446, 954341, 1908682, 10497751, 20995502]

約数ペア:

[(1, 20995502), (2, 10497751), (11, 1908682), (22, 954341), (37, 567446), (74, 283723), (407, 51586), (814, 25793)]