20406715

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34297}}^1$

素因数の和:34326

約数の個数: 16

約数和(自身を含む): 29633472

約数和(自身を除く): 9226757

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 34297, 171485, 240079, 583049, 1200395, 2915245, 4081343, 20406715]

約数ペア:

[(1, 20406715), (5, 4081343), (7, 2915245), (17, 1200395), (35, 583049), (85, 240079), (119, 171485), (595, 34297)]