20839049

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2131}}^1$

素因数の和:2276

約数の個数: 16

約数和(自身を含む): 26198016

約数和(自身を除く): 5358967

約数列:

[1, 7, 11, 77, 127, 889, 1397, 2131, 9779, 14917, 23441, 164087, 270637, 1894459, 2977007, 20839049]

約数ペア:

[(1, 20839049), (7, 2977007), (11, 1894459), (77, 270637), (127, 164087), (889, 23441), (1397, 14917), (2131, 9779)]