20473278

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 27789762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 83, 98, 147, 166, 249, 294, 498, 581, 839, 1162, 1678, 1743, 2517, 3486, 4067, 5034, 5873, 8134, 11746, 12201, 17619, 24402, 35238, 41111, 69637, 82222, 123333, 139274, 208911, 246666, 417822, 487459, 974918, 1462377, 2924754, 3412213, 6824426, 10236639, 20473278]

約数ペア:

[(1, 20473278), (2, 10236639), (3, 6824426), (6, 3412213), (7, 2924754), (14, 1462377), (21, 974918), (42, 487459), (49, 417822), (83, 246666), (98, 208911), (147, 139274), (166, 123333), (249, 82222), (294, 69637), (498, 41111), (581, 35238), (839, 24402), (1162, 17619), (1678, 12201), (1743, 11746), (2517, 8134), (3486, 5873), (4067, 5034)]