20710570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5737}}^1$

素因数の和:5782

約数の個数: 24

約数和(自身を含む): 39351204

約数和(自身を除く): 18640634

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5737, 11474, 28685, 57370, 109003, 218006, 545015, 1090030, 2071057, 4142114, 10355285, 20710570]

約数ペア:

[(1, 20710570), (2, 10355285), (5, 4142114), (10, 2071057), (19, 1090030), (38, 545015), (95, 218006), (190, 109003), (361, 57370), (722, 28685), (1805, 11474), (3610, 5737)]