20297415635

素因数分解:

$5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{904721}}^1$

素因数の和:905374

約数の個数: 16

約数和(自身を含む): 27879913152

約数和(自身を除く): 7582497517

約数列:

[1, 5, 7, 35, 641, 3205, 4487, 22435, 904721, 4523605, 6333047, 31665235, 579926161, 2899630805, 4059483127, 20297415635]

約数ペア:

[(1, 20297415635), (5, 4059483127), (7, 2899630805), (35, 579926161), (641, 31665235), (3205, 6333047), (4487, 4523605), (22435, 904721)]