20123809838

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{269}}^1\times {\mathrm{309131}}^1$

素因数の和:309424

約数の個数: 24

約数和(自身を含む): 33302790360

約数和(自身を除く): 13178980522

約数列:

[1, 2, 11, 22, 121, 242, 269, 538, 2959, 5918, 32549, 65098, 309131, 618262, 3400441, 6800882, 37404851, 74809702, 83156239, 166312478, 914718629, 1829437258, 10061904919, 20123809838]

約数ペア:

[(1, 20123809838), (2, 10061904919), (11, 1829437258), (22, 914718629), (121, 166312478), (242, 83156239), (269, 74809702), (538, 37404851), (2959, 6800882), (5918, 3400441), (32549, 618262), (65098, 309131)]