20906854

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{3307}}^1$

素因数の和:3447

約数の個数: 16

約数和(自身を含む): 32749200

約数和(自身を除く): 11842346

約数列:

[1, 2, 29, 58, 109, 218, 3161, 3307, 6322, 6614, 95903, 191806, 360463, 720926, 10453427, 20906854]

約数ペア:

[(1, 20906854), (2, 10453427), (29, 720926), (58, 360463), (109, 191806), (218, 95903), (3161, 6614), (3307, 6322)]