20487076

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 36542016

約数和(自身を除く): 16054940

約数列:

[1, 2, 4, 107, 151, 214, 302, 317, 428, 604, 634, 1268, 16157, 32314, 33919, 47867, 64628, 67838, 95734, 135676, 191468, 5121769, 10243538, 20487076]

約数ペア:

[(1, 20487076), (2, 10243538), (4, 5121769), (107, 191468), (151, 135676), (214, 95734), (302, 67838), (317, 64628), (428, 47867), (604, 33919), (634, 32314), (1268, 16157)]