20779899

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{58207}}^1$

素因数の和:58234

約数の個数: 16

約数和(自身を含む): 33527808

約数和(自身を除く): 12747909

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 58207, 174621, 407449, 989519, 1222347, 2968557, 6926633, 20779899]

約数ペア:

[(1, 20779899), (3, 6926633), (7, 2968557), (17, 1222347), (21, 989519), (51, 407449), (119, 174621), (357, 58207)]