206866820

素因数分解:

$2^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{5441}}^1$

素因数の和:7351

約数の個数: 24

約数和(自身を含む): 434728728

約数和(自身を除く): 227861908

約数列:

[1, 2, 4, 5, 10, 20, 1901, 3802, 5441, 7604, 9505, 10882, 19010, 21764, 27205, 38020, 54410, 108820, 10343341, 20686682, 41373364, 51716705, 103433410, 206866820]

約数ペア:

[(1, 206866820), (2, 103433410), (4, 51716705), (5, 41373364), (10, 20686682), (20, 10343341), (1901, 108820), (3802, 54410), (5441, 38020), (7604, 27205), (9505, 21764), (10882, 19010)]