20198151

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 30060576

約数和(自身を除く): 9862425

約数列:

[1, 3, 9, 71, 73, 213, 219, 433, 639, 657, 1299, 3897, 5183, 15549, 30743, 31609, 46647, 92229, 94827, 276687, 284481, 2244239, 6732717, 20198151]

約数ペア:

[(1, 20198151), (3, 6732717), (9, 2244239), (71, 284481), (73, 276687), (213, 94827), (219, 92229), (433, 46647), (639, 31609), (657, 30743), (1299, 15549), (3897, 5183)]