20751269

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9293}}^1$

素因数の和:9340

約数の個数: 16

約数和(自身を含む): 26766720

約数和(自身を除く): 6015451

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 9293, 65051, 102223, 269497, 715561, 1886479, 2964467, 20751269]

約数ペア:

[(1, 20751269), (7, 2964467), (11, 1886479), (29, 715561), (77, 269497), (203, 102223), (319, 65051), (2233, 9293)]