20816268

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{881}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 32527092

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 179, 358, 537, 716, 881, 1074, 1762, 1969, 2148, 2643, 3524, 3938, 5286, 5907, 7876, 9691, 10572, 11814, 19382, 23628, 29073, 38764, 58146, 116292, 157699, 315398, 473097, 630796, 946194, 1734689, 1892388, 3469378, 5204067, 6938756, 10408134, 20816268]

約数ペア:

[(1, 20816268), (2, 10408134), (3, 6938756), (4, 5204067), (6, 3469378), (11, 1892388), (12, 1734689), (22, 946194), (33, 630796), (44, 473097), (66, 315398), (132, 157699), (179, 116292), (358, 58146), (537, 38764), (716, 29073), (881, 23628), (1074, 19382), (1762, 11814), (1969, 10572), (2148, 9691), (2643, 7876), (3524, 5907), (3938, 5286)]