20597899

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:486

約数の個数: 16

約数和(自身を含む): 24103872

約数和(自身を除く): 3505973

約数列:

[1, 7, 73, 173, 233, 511, 1211, 1631, 12629, 17009, 40309, 88403, 119063, 282163, 2942557, 20597899]

約数ペア:

[(1, 20597899), (7, 2942557), (73, 282163), (173, 119063), (233, 88403), (511, 40309), (1211, 17009), (1631, 12629)]