20226913

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1721}}^1$

素因数の和:1824

約数の個数: 16

約数和(自身を含む): 24466176

約数和(自身を除く): 4239263

約数列:

[1, 7, 23, 73, 161, 511, 1679, 1721, 11753, 12047, 39583, 125633, 277081, 879431, 2889559, 20226913]

約数ペア:

[(1, 20226913), (7, 2889559), (23, 879431), (73, 277081), (161, 125633), (511, 39583), (1679, 12047), (1721, 11753)]