20278896

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 57734400

約数和(自身を除く): 37455504

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 193, 199, 264, 386, 398, 528, 579, 597, 772, 796, 1158, 1194, 1544, 1592, 2123, 2189, 2316, 2388, 3088, 3184, 4246, 4378, 4632, 4776, 6369, 6567, 8492, 8756, 9264, 9552, 12738, 13134, 16984, 17512, 25476, 26268, 33968, 35024, 38407, 50952, 52536, 76814, 101904, 105072, 115221, 153628, 230442, 307256, 422477, 460884, 614512, 844954, 921768, 1267431, 1689908, 1843536, 2534862, 3379816, 5069724, 6759632, 10139448, 20278896]

約数ペア:

[(1, 20278896), (2, 10139448), (3, 6759632), (4, 5069724), (6, 3379816), (8, 2534862), (11, 1843536), (12, 1689908), (16, 1267431), (22, 921768), (24, 844954), (33, 614512), (44, 460884), (48, 422477), (66, 307256), (88, 230442), (132, 153628), (176, 115221), (193, 105072), (199, 101904), (264, 76814), (386, 52536), (398, 50952), (528, 38407), (579, 35024), (597, 33968), (772, 26268), (796, 25476), (1158, 17512), (1194, 16984), (1544, 13134), (1592, 12738), (2123, 9552), (2189, 9264), (2316, 8756), (2388, 8492), (3088, 6567), (3184, 6369), (4246, 4776), (4378, 4632)]