2006659780

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{124021}}^1$

素因数の和:124839

約数の個数: 24

約数和(自身を含む): 4219228440

約数和(自身を除く): 2212568660

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 124021, 248042, 496084, 620105, 1240210, 2480420, 100332989, 200665978, 401331956, 501664945, 1003329890, 2006659780]

約数ペア:

[(1, 2006659780), (2, 1003329890), (4, 501664945), (5, 401331956), (10, 200665978), (20, 100332989), (809, 2480420), (1618, 1240210), (3236, 620105), (4045, 496084), (8090, 248042), (16180, 124021)]