20943076

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 25287836

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 97, 154, 194, 308, 388, 679, 701, 1067, 1358, 1402, 2134, 2716, 2804, 4268, 4907, 7469, 7711, 9814, 14938, 15422, 19628, 29876, 30844, 53977, 67997, 107954, 135994, 215908, 271988, 475979, 747967, 951958, 1495934, 1903916, 2991868, 5235769, 10471538, 20943076]

約数ペア:

[(1, 20943076), (2, 10471538), (4, 5235769), (7, 2991868), (11, 1903916), (14, 1495934), (22, 951958), (28, 747967), (44, 475979), (77, 271988), (97, 215908), (154, 135994), (194, 107954), (308, 67997), (388, 53977), (679, 30844), (701, 29876), (1067, 19628), (1358, 15422), (1402, 14938), (2134, 9814), (2716, 7711), (2804, 7469), (4268, 4907)]