20164568456

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{41320837}}^1$

素因数の和:41320904

約数の個数: 16

約数和(自身を含む): 38428379340

約数和(自身を除く): 18263810884

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 41320837, 82641674, 165283348, 330566696, 2520571057, 5041142114, 10082284228, 20164568456]

約数ペア:

[(1, 20164568456), (2, 10082284228), (4, 5041142114), (8, 2520571057), (61, 330566696), (122, 165283348), (244, 82641674), (488, 41320837)]