20944180

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9787}}^1$

素因数の和:9903

約数の個数: 24

約数和(自身を含む): 44398368

約数和(自身を除く): 23454188

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9787, 19574, 39148, 48935, 97870, 195740, 1047209, 2094418, 4188836, 5236045, 10472090, 20944180]

約数ペア:

[(1, 20944180), (2, 10472090), (4, 5236045), (5, 4188836), (10, 2094418), (20, 1047209), (107, 195740), (214, 97870), (428, 48935), (535, 39148), (1070, 19574), (2140, 9787)]