20483463

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 18223737

約数列:

[1, 3, 7, 11, 13, 19, 21, 33, 39, 57, 77, 91, 133, 143, 209, 231, 247, 273, 359, 399, 429, 627, 741, 1001, 1077, 1463, 1729, 2513, 2717, 3003, 3949, 4389, 4667, 5187, 6821, 7539, 8151, 11847, 14001, 19019, 20463, 27643, 32669, 47747, 51337, 57057, 75031, 82929, 88673, 98007, 143241, 154011, 225093, 266019, 359359, 525217, 620711, 975403, 1078077, 1575651, 1862133, 2926209, 6827821, 20483463]

約数ペア:

[(1, 20483463), (3, 6827821), (7, 2926209), (11, 1862133), (13, 1575651), (19, 1078077), (21, 975403), (33, 620711), (39, 525217), (57, 359359), (77, 266019), (91, 225093), (133, 154011), (143, 143241), (209, 98007), (231, 88673), (247, 82929), (273, 75031), (359, 57057), (399, 51337), (429, 47747), (627, 32669), (741, 27643), (1001, 20463), (1077, 19019), (1463, 14001), (1729, 11847), (2513, 8151), (2717, 7539), (3003, 6821), (3949, 5187), (4389, 4667)]