20805583813

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{299107}}^1$

素因数の和:299656

約数の個数: 16

約数和(自身を含む): 25077214720

約数和(自身を除く): 4271630907

約数列:

[1, 7, 19, 133, 523, 3661, 9937, 69559, 299107, 2093749, 5683033, 39781231, 156432961, 1095030727, 2972226259, 20805583813]

約数ペア:

[(1, 20805583813), (7, 2972226259), (19, 1095030727), (133, 156432961), (523, 39781231), (3661, 5683033), (9937, 2093749), (69559, 299107)]