2051380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{941}}^1$

素因数の和:1059

約数の個数: 24

約数和(自身を含む): 4352040

約数和(自身を除く): 2300660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 941, 1090, 1882, 2180, 3764, 4705, 9410, 18820, 102569, 205138, 410276, 512845, 1025690, 2051380]

約数ペア:

[(1, 2051380), (2, 1025690), (4, 512845), (5, 410276), (10, 205138), (20, 102569), (109, 18820), (218, 9410), (436, 4705), (545, 3764), (941, 2180), (1090, 1882)]