20165349

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{5569}}^1$

素因数の和:5660

約数の個数: 16

約数和(自身を含む): 28874880

約数和(自身を除く): 8709531

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 5569, 16707, 94673, 284019, 395399, 1186197, 6721783, 20165349]

約数ペア:

[(1, 20165349), (3, 6721783), (17, 1186197), (51, 395399), (71, 284019), (213, 94673), (1207, 16707), (3621, 5569)]