20842129

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{2237}}^1$

素因数の和:2277

約数の個数: 16

約数和(自身を含む): 26211456

約数和(自身を除く): 5369327

約数列:

[1, 7, 11, 77, 121, 847, 1331, 2237, 9317, 15659, 24607, 172249, 270677, 1894739, 2977447, 20842129]

約数ペア:

[(1, 20842129), (7, 2977447), (11, 1894739), (77, 270677), (121, 172249), (847, 24607), (1331, 15659), (2237, 9317)]