20210257436

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{661}}^1\times {\mathrm{144223}}^1$

素因数の和:144941

約数の個数: 24

約数和(自身を含む): 36090036864

約数和(自身を除く): 15879779428

約数列:

[1, 2, 4, 53, 106, 212, 661, 1322, 2644, 35033, 70066, 140132, 144223, 288446, 576892, 7643819, 15287638, 30575276, 95331403, 190662806, 381325612, 5052564359, 10105128718, 20210257436]

約数ペア:

[(1, 20210257436), (2, 10105128718), (4, 5052564359), (53, 381325612), (106, 190662806), (212, 95331403), (661, 30575276), (1322, 15287638), (2644, 7643819), (35033, 576892), (70066, 288446), (140132, 144223)]