20571108481

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{24287023}}^1$

素因数の和:24287052

約数の個数: 12

約数和(自身を含む): 25841393536

約数和(自身を除く): 5270285055

約数列:

[1, 7, 11, 77, 121, 847, 24287023, 170009161, 267157253, 1870100771, 2938729783, 20571108481]

約数ペア:

[(1, 20571108481), (7, 2938729783), (11, 1870100771), (77, 267157253), (121, 170009161), (847, 24287023)]