2019946780

素因数分解:

$2^2\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{81647}}^1$

素因数の和:82893

約数の個数: 24

約数和(自身を含む): 4245369408

約数和(自身を除く): 2225422628

約数列:

[1, 2, 4, 5, 10, 20, 1237, 2474, 4948, 6185, 12370, 24740, 81647, 163294, 326588, 408235, 816470, 1632940, 100997339, 201994678, 403989356, 504986695, 1009973390, 2019946780]

約数ペア:

[(1, 2019946780), (2, 1009973390), (4, 504986695), (5, 403989356), (10, 201994678), (20, 100997339), (1237, 1632940), (2474, 816470), (4948, 408235), (6185, 326588), (12370, 163294), (24740, 81647)]