20691265

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{14419}}^1$

素因数の和:14472

約数の個数: 16

約数和(自身を含む): 29070720

約数和(自身を除く): 8379455

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 14419, 72095, 100933, 504665, 591179, 2955895, 4138253, 20691265]

約数ペア:

[(1, 20691265), (5, 4138253), (7, 2955895), (35, 591179), (41, 504665), (205, 100933), (287, 72095), (1435, 14419)]