20004560

素因数分解:

$2^4\times 5^1\times {\mathrm{250057}}^1$

素因数の和:250070

約数の個数: 20

約数和(自身を含む): 46510788

約数和(自身を除く): 26506228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250057, 500114, 1000228, 1250285, 2000456, 2500570, 4000912, 5001140, 10002280, 20004560]

約数ペア:

[(1, 20004560), (2, 10002280), (4, 5001140), (5, 4000912), (8, 2500570), (10, 2000456), (16, 1250285), (20, 1000228), (40, 500114), (80, 250057)]