20155704904

素因数分解:

$2^3\times {\mathrm{1721}}^1\times {\mathrm{1463953}}^1$

素因数の和:1465680

約数の個数: 16

約数和(自身を含む): 37813931820

約数和(自身を除く): 17658226916

約数列:

[1, 2, 4, 8, 1721, 3442, 6884, 13768, 1463953, 2927906, 5855812, 11711624, 2519463113, 5038926226, 10077852452, 20155704904]

約数ペア:

[(1, 20155704904), (2, 10077852452), (4, 5038926226), (8, 2519463113), (1721, 11711624), (3442, 5855812), (6884, 2927906), (13768, 1463953)]