20505336

素因数分解:

$2^3\times 3^1\times {\mathrm{197}}^1\times {\mathrm{4337}}^1$

素因数の和:4543

約数の個数: 32

約数和(自身を含む): 51535440

約数和(自身を除く): 31030104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 197, 394, 591, 788, 1182, 1576, 2364, 4337, 4728, 8674, 13011, 17348, 26022, 34696, 52044, 104088, 854389, 1708778, 2563167, 3417556, 5126334, 6835112, 10252668, 20505336]

約数ペア:

[(1, 20505336), (2, 10252668), (3, 6835112), (4, 5126334), (6, 3417556), (8, 2563167), (12, 1708778), (24, 854389), (197, 104088), (394, 52044), (591, 34696), (788, 26022), (1182, 17348), (1576, 13011), (2364, 8674), (4337, 4728)]