20820444

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{102061}}^1$

素因数の和:102085

約数の個数: 24

約数和(自身を含む): 51439248

約数和(自身を除く): 30618804

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 102061, 204122, 306183, 408244, 612366, 1224732, 1735037, 3470074, 5205111, 6940148, 10410222, 20820444]

約数ペア:

[(1, 20820444), (2, 10410222), (3, 6940148), (4, 5205111), (6, 3470074), (12, 1735037), (17, 1224732), (34, 612366), (51, 408244), (68, 306183), (102, 204122), (204, 102061)]