20782789

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{47}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 24312960

約数和(自身を除く): 3530171

約数列:

[1, 17, 19, 37, 47, 323, 629, 703, 799, 893, 1369, 1739, 11951, 15181, 23273, 26011, 29563, 33041, 64343, 442187, 561697, 1093831, 1222517, 20782789]

約数ペア:

[(1, 20782789), (17, 1222517), (19, 1093831), (37, 561697), (47, 442187), (323, 64343), (629, 33041), (703, 29563), (799, 26011), (893, 23273), (1369, 15181), (1739, 11951)]