2011777970

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{477857}}^1$

素因数の和:478285

約数の個数: 16

約数和(自身を含む): 3629809368

約数和(自身を除く): 1618031398

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 477857, 955714, 2389285, 4778570, 201177797, 402355594, 1005888985, 2011777970]

約数ペア:

[(1, 2011777970), (2, 1005888985), (5, 402355594), (10, 201177797), (421, 4778570), (842, 2389285), (2105, 955714), (4210, 477857)]