20777519

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{24943}}^1$

素因数の和:24974

約数の個数: 12

約数和(自身を含む): 25592544

約数和(自身を除く): 4815025

約数列:

[1, 7, 17, 49, 119, 833, 24943, 174601, 424031, 1222207, 2968217, 20777519]

約数ペア:

[(1, 20777519), (7, 2968217), (17, 1222207), (49, 424031), (119, 174601), (833, 24943)]