20902664

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{24419}}^1$

素因数の和:24532

約数の個数: 16

約数和(自身を含む): 39560400

約数和(自身を除く): 18657736

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 24419, 48838, 97676, 195352, 2612833, 5225666, 10451332, 20902664]

約数ペア:

[(1, 20902664), (2, 10451332), (4, 5225666), (8, 2612833), (107, 195352), (214, 97676), (428, 48838), (856, 24419)]