20199382167

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{15193}}^1$

素因数の和:15543

約数の個数: 32

約数和(自身を含む): 28880755200

約数和(自身を除く): 8681373033

約数列:

[1, 3, 17, 51, 131, 199, 393, 597, 2227, 3383, 6681, 10149, 15193, 26069, 45579, 78207, 258281, 443173, 774843, 1329519, 1990283, 3023407, 5970849, 9070221, 33834811, 51397919, 101504433, 154193757, 396066317, 1188198951, 6733127389, 20199382167]

約数ペア:

[(1, 20199382167), (3, 6733127389), (17, 1188198951), (51, 396066317), (131, 154193757), (199, 101504433), (393, 51397919), (597, 33834811), (2227, 9070221), (3383, 5970849), (6681, 3023407), (10149, 1990283), (15193, 1329519), (26069, 774843), (45579, 443173), (78207, 258281)]