20090282020

素因数分解:

$2^2\times 5^1\times {\mathrm{28289}}^1\times {\mathrm{35509}}^1$

素因数の和:63807

約数の個数: 24

約数和(自身を含む): 42192271800

約数和(自身を除く): 22101989780

約数列:

[1, 2, 4, 5, 10, 20, 28289, 35509, 56578, 71018, 113156, 141445, 142036, 177545, 282890, 355090, 565780, 710180, 1004514101, 2009028202, 4018056404, 5022570505, 10045141010, 20090282020]

約数ペア:

[(1, 20090282020), (2, 10045141010), (4, 5022570505), (5, 4018056404), (10, 2009028202), (20, 1004514101), (28289, 710180), (35509, 565780), (56578, 355090), (71018, 282890), (113156, 177545), (141445, 142036)]