20306493

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{373}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 30805632

約数和(自身を除く): 10499139

約数列:

[1, 3, 9, 23, 69, 207, 263, 373, 789, 1119, 2367, 3357, 6049, 8579, 18147, 25737, 54441, 77211, 98099, 294297, 882891, 2256277, 6768831, 20306493]

約数ペア:

[(1, 20306493), (3, 6768831), (9, 2256277), (23, 882891), (69, 294297), (207, 98099), (263, 77211), (373, 54441), (789, 25737), (1119, 18147), (2367, 8579), (3357, 6049)]