20065899

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56207}}^1$

素因数の和:56234

約数の個数: 16

約数和(自身を含む): 32375808

約数和(自身を除く): 12309909

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56207, 168621, 393449, 955519, 1180347, 2866557, 6688633, 20065899]

約数ペア:

[(1, 20065899), (3, 6688633), (7, 2866557), (17, 1180347), (21, 955519), (51, 393449), (119, 168621), (357, 56207)]