2009091664

素因数分解:

$2^4\times {\mathrm{2389}}^1\times {\mathrm{52561}}^1$

素因数の和:54958

約数の個数: 20

約数和(自身を含む): 3894318580

約数和(自身を除く): 1885226916

約数列:

[1, 2, 4, 8, 16, 2389, 4778, 9556, 19112, 38224, 52561, 105122, 210244, 420488, 840976, 125568229, 251136458, 502272916, 1004545832, 2009091664]

約数ペア:

[(1, 2009091664), (2, 1004545832), (4, 502272916), (8, 251136458), (16, 125568229), (2389, 840976), (4778, 420488), (9556, 210244), (19112, 105122), (38224, 52561)]