20807882

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{3079}}^1$

素因数の和:3221

約数の個数: 16

約数和(自身を含む): 32524800

約数和(自身を除く): 11716918

約数列:

[1, 2, 31, 62, 109, 218, 3079, 3379, 6158, 6758, 95449, 190898, 335611, 671222, 10403941, 20807882]

約数ペア:

[(1, 20807882), (2, 10403941), (31, 671222), (62, 335611), (109, 190898), (218, 95449), (3079, 6758), (3379, 6158)]