20564929

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{653}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 25741440

約数和(自身を除く): 5176511

約数列:

[1, 7, 11, 77, 409, 653, 2863, 4499, 4571, 7183, 31493, 50281, 267077, 1869539, 2937847, 20564929]

約数ペア:

[(1, 20564929), (7, 2937847), (11, 1869539), (77, 267077), (409, 50281), (653, 31493), (2863, 7183), (4499, 4571)]