20002280

素因数分解:

$2^3\times 5^1\times {\mathrm{500057}}^1$

素因数の和:500068

約数の個数: 16

約数和(自身を含む): 45005220

約数和(自身を除く): 25002940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 500057, 1000114, 2000228, 2500285, 4000456, 5000570, 10001140, 20002280]

約数ペア:

[(1, 20002280), (2, 10001140), (4, 5000570), (5, 4000456), (8, 2500285), (10, 2000228), (20, 1000114), (40, 500057)]