20404768517

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3648269}}^1$

素因数の和:3648340

約数の個数: 16

約数和(自身を含む): 25216842240

約数和(自身を除く): 4812073723

約数列:

[1, 7, 17, 47, 119, 329, 799, 5593, 3648269, 25537883, 62020573, 171468643, 434144011, 1200280501, 2914966931, 20404768517]

約数ペア:

[(1, 20404768517), (7, 2914966931), (17, 1200280501), (47, 434144011), (119, 171468643), (329, 62020573), (799, 25537883), (5593, 3648269)]