20808536161

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1\times {\mathrm{61631}}^1$

素因数の和:62124

約数の個数: 16

約数和(自身を含む): 24021688320

約数和(自身を除く): 3213152159

約数列:

[1, 7, 139, 347, 973, 2429, 48233, 61631, 337631, 431417, 8566709, 21385957, 59966963, 149701699, 2972648023, 20808536161]

約数ペア:

[(1, 20808536161), (7, 2972648023), (139, 149701699), (347, 59966963), (973, 21385957), (2429, 8566709), (48233, 431417), (61631, 337631)]