2000553970

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{489133}}^1$

素因数の和:489549

約数の個数: 16

約数和(自身を含む): 3609808920

約数和(自身を除く): 1609254950

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 489133, 978266, 2445665, 4891330, 200055397, 400110794, 1000276985, 2000553970]

約数ペア:

[(1, 2000553970), (2, 1000276985), (5, 400110794), (10, 200055397), (409, 4891330), (818, 2445665), (2045, 978266), (4090, 489133)]