2011444220

素因数分解:

$2^2\times 5^1\times {\mathrm{100572211}}^1$

素因数の和:100572220

約数の個数: 12

約数和(自身を含む): 4224032904

約数和(自身を除く): 2212588684

約数列:

[1, 2, 4, 5, 10, 20, 100572211, 201144422, 402288844, 502861055, 1005722110, 2011444220]

約数ペア:

[(1, 2011444220), (2, 1005722110), (4, 502861055), (5, 402288844), (10, 201144422), (20, 100572211)]