2020591727

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 2681459712

約数和(自身を除く): 660867985

約数列:

[1, 7, 11, 19, 77, 133, 157, 209, 361, 463, 1099, 1463, 1727, 2527, 2983, 3241, 3971, 5093, 8797, 12089, 20881, 27797, 32813, 35651, 56677, 61579, 72691, 96767, 167143, 229691, 396739, 508837, 623447, 677369, 799601, 1170001, 1381129, 1838573, 4364129, 5597207, 9667903, 12870011, 15192419, 26241451, 106346933, 183690157, 288655961, 2020591727]

約数ペア:

[(1, 2020591727), (7, 288655961), (11, 183690157), (19, 106346933), (77, 26241451), (133, 15192419), (157, 12870011), (209, 9667903), (361, 5597207), (463, 4364129), (1099, 1838573), (1463, 1381129), (1727, 1170001), (2527, 799601), (2983, 677369), (3241, 623447), (3971, 508837), (5093, 396739), (8797, 229691), (12089, 167143), (20881, 96767), (27797, 72691), (32813, 61579), (35651, 56677)]