2008126220

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{554731}}^1$

素因数の和:554921

約数の個数: 24

約数和(自身を含む): 4240371408

約数和(自身を除く): 2232245188

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 554731, 1109462, 2218924, 2773655, 5547310, 11094620, 100406311, 200812622, 401625244, 502031555, 1004063110, 2008126220]

約数ペア:

[(1, 2008126220), (2, 1004063110), (4, 502031555), (5, 401625244), (10, 200812622), (20, 100406311), (181, 11094620), (362, 5547310), (724, 2773655), (905, 2218924), (1810, 1109462), (3620, 554731)]