20180188784

素因数分解:

$2^4\times 7^1\times {\mathrm{180180257}}^1$

素因数の和:180180272

約数の個数: 20

約数和(自身を含む): 44684703984

約数和(自身を除く): 24504515200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 180180257, 360360514, 720721028, 1261261799, 1441442056, 2522523598, 2882884112, 5045047196, 10090094392, 20180188784]

約数ペア:

[(1, 20180188784), (2, 10090094392), (4, 5045047196), (7, 2882884112), (8, 2522523598), (14, 1441442056), (16, 1261261799), (28, 720721028), (56, 360360514), (112, 180180257)]