20206820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6691}}^1$

素因数の和:6851

約数の個数: 24

約数和(自身を含む): 42721728

約数和(自身を除く): 22514908

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6691, 13382, 26764, 33455, 66910, 133820, 1010341, 2020682, 4041364, 5051705, 10103410, 20206820]

約数ペア:

[(1, 20206820), (2, 10103410), (4, 5051705), (5, 4041364), (10, 2020682), (20, 1010341), (151, 133820), (302, 66910), (604, 33455), (755, 26764), (1510, 13382), (3020, 6691)]