202149020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{235057}}^1$

素因数の和:235109

約数の個数: 24

約数和(自身を含む): 434387184

約数和(自身を除く): 232238164

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 235057, 470114, 940228, 1175285, 2350570, 4701140, 10107451, 20214902, 40429804, 50537255, 101074510, 202149020]

約数ペア:

[(1, 202149020), (2, 101074510), (4, 50537255), (5, 40429804), (10, 20214902), (20, 10107451), (43, 4701140), (86, 2350570), (172, 1175285), (215, 940228), (430, 470114), (860, 235057)]