20118580

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1069}}^1$

素因数の和:2019

約数の個数: 24

約数和(自身を含む): 42333480

約数和(自身を除く): 22214900

約数列:

[1, 2, 4, 5, 10, 20, 941, 1069, 1882, 2138, 3764, 4276, 4705, 5345, 9410, 10690, 18820, 21380, 1005929, 2011858, 4023716, 5029645, 10059290, 20118580]

約数ペア:

[(1, 20118580), (2, 10059290), (4, 5029645), (5, 4023716), (10, 2011858), (20, 1005929), (941, 21380), (1069, 18820), (1882, 10690), (2138, 9410), (3764, 5345), (4276, 4705)]