2020105420

素因数分解:

$2^2\times 5^1\times {\mathrm{1873}}^1\times {\mathrm{53927}}^1$

素因数の和:55809

約数の個数: 24

約数和(自身を含む): 4244565024

約数和(自身を除く): 2224459604

約数列:

[1, 2, 4, 5, 10, 20, 1873, 3746, 7492, 9365, 18730, 37460, 53927, 107854, 215708, 269635, 539270, 1078540, 101005271, 202010542, 404021084, 505026355, 1010052710, 2020105420]

約数ペア:

[(1, 2020105420), (2, 1010052710), (4, 505026355), (5, 404021084), (10, 202010542), (20, 101005271), (1873, 1078540), (3746, 539270), (7492, 269635), (9365, 215708), (18730, 107854), (37460, 53927)]