20534878

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6637}}^1$

素因数の和:6676

約数の個数: 32

約数和(自身を含む): 40146624

約数和(自身を除く): 19611746

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 6637, 13274, 46459, 86281, 92918, 112829, 172562, 225658, 603967, 789803, 1207934, 1466777, 1579606, 2933554, 10267439, 20534878]

約数ペア:

[(1, 20534878), (2, 10267439), (7, 2933554), (13, 1579606), (14, 1466777), (17, 1207934), (26, 789803), (34, 603967), (91, 225658), (119, 172562), (182, 112829), (221, 92918), (238, 86281), (442, 46459), (1547, 13274), (3094, 6637)]