20295352

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 28226888

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 47, 56, 77, 88, 94, 154, 188, 308, 329, 376, 517, 616, 658, 701, 1034, 1316, 1402, 2068, 2632, 2804, 3619, 4136, 4907, 5608, 7238, 7711, 9814, 14476, 15422, 19628, 28952, 30844, 32947, 39256, 53977, 61688, 65894, 107954, 131788, 215908, 230629, 263576, 362417, 431816, 461258, 724834, 922516, 1449668, 1845032, 2536919, 2899336, 5073838, 10147676, 20295352]

約数ペア:

[(1, 20295352), (2, 10147676), (4, 5073838), (7, 2899336), (8, 2536919), (11, 1845032), (14, 1449668), (22, 922516), (28, 724834), (44, 461258), (47, 431816), (56, 362417), (77, 263576), (88, 230629), (94, 215908), (154, 131788), (188, 107954), (308, 65894), (329, 61688), (376, 53977), (517, 39256), (616, 32947), (658, 30844), (701, 28952), (1034, 19628), (1316, 15422), (1402, 14476), (2068, 9814), (2632, 7711), (2804, 7238), (3619, 5608), (4136, 4907)]