20026886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{9013}}^1$

素因数の和:9127

約数の個数: 16

約数和(自身を含む): 33099408

約数和(自身を除く): 13072522

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 9013, 18026, 99143, 198286, 910313, 1820626, 10013443, 20026886]

約数ペア:

[(1, 20026886), (2, 10013443), (11, 1820626), (22, 910313), (101, 198286), (202, 99143), (1111, 18026), (2222, 9013)]