1820702980

素因数分解:

$2^2\times 5^1\times {\mathrm{1741}}^1\times {\mathrm{52289}}^1$

素因数の和:54039

約数の個数: 24

約数和(自身を含む): 3825745560

約数和(自身を除く): 2005042580

約数列:

[1, 2, 4, 5, 10, 20, 1741, 3482, 6964, 8705, 17410, 34820, 52289, 104578, 209156, 261445, 522890, 1045780, 91035149, 182070298, 364140596, 455175745, 910351490, 1820702980]

約数ペア:

[(1, 1820702980), (2, 910351490), (4, 455175745), (5, 364140596), (10, 182070298), (20, 91035149), (1741, 1045780), (3482, 522890), (6964, 261445), (8705, 209156), (17410, 104578), (34820, 52289)]