20457085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{859}}^1$

素因数の和:1308

約数の個数: 16

約数和(自身を含む): 26873280

約数和(自身を除く): 6416195

約数列:

[1, 5, 11, 55, 433, 859, 2165, 4295, 4763, 9449, 23815, 47245, 371947, 1859735, 4091417, 20457085]

約数ペア:

[(1, 20457085), (5, 4091417), (11, 1859735), (55, 371947), (433, 47245), (859, 23815), (2165, 9449), (4295, 4763)]