20178136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{467}}^1\times {\mathrm{491}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 41446080

約数和(自身を除く): 21267944

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 467, 491, 934, 982, 1868, 1964, 3736, 3928, 5137, 5401, 10274, 10802, 20548, 21604, 41096, 43208, 229297, 458594, 917188, 1834376, 2522267, 5044534, 10089068, 20178136]

約数ペア:

[(1, 20178136), (2, 10089068), (4, 5044534), (8, 2522267), (11, 1834376), (22, 917188), (44, 458594), (88, 229297), (467, 43208), (491, 41096), (934, 21604), (982, 20548), (1868, 10802), (1964, 10274), (3736, 5401), (3928, 5137)]