20806044

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247691}}^1$

素因数の和:247705

約数の個数: 24

約数和(自身を含む): 55483008

約数和(自身を除く): 34676964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247691, 495382, 743073, 990764, 1486146, 1733837, 2972292, 3467674, 5201511, 6935348, 10403022, 20806044]

約数ペア:

[(1, 20806044), (2, 10403022), (3, 6935348), (4, 5201511), (6, 3467674), (7, 2972292), (12, 1733837), (14, 1486146), (21, 990764), (28, 743073), (42, 495382), (84, 247691)]