20287863

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{98009}}^1$

素因数の和:98038

約数の個数: 12

約数和(自身を含む): 30579120

約数和(自身を除く): 10291257

約数列:

[1, 3, 9, 23, 69, 207, 98009, 294027, 882081, 2254207, 6762621, 20287863]

約数ペア:

[(1, 20287863), (3, 6762621), (9, 2254207), (23, 882081), (69, 294027), (207, 98009)]