20842844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1543}}^1$

素因数の和:1865

約数の個数: 24

約数和(自身を含む): 39946368

約数和(自身を除く): 19103524

約数列:

[1, 2, 4, 11, 22, 44, 307, 614, 1228, 1543, 3086, 3377, 6172, 6754, 13508, 16973, 33946, 67892, 473701, 947402, 1894804, 5210711, 10421422, 20842844]

約数ペア:

[(1, 20842844), (2, 10421422), (4, 5210711), (11, 1894804), (22, 947402), (44, 473701), (307, 67892), (614, 33946), (1228, 16973), (1543, 13508), (3086, 6754), (3377, 6172)]