20091312

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^2\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 90

約数和(自身を含む): 58326996

約数和(自身を除く): 38235684

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 83, 123, 144, 164, 166, 246, 249, 328, 332, 369, 492, 498, 656, 664, 738, 747, 984, 996, 1328, 1476, 1494, 1681, 1968, 1992, 2952, 2988, 3362, 3403, 3984, 5043, 5904, 5976, 6724, 6806, 10086, 10209, 11952, 13448, 13612, 15129, 20172, 20418, 26896, 27224, 30258, 30627, 40344, 40836, 54448, 60516, 61254, 80688, 81672, 121032, 122508, 139523, 163344, 242064, 245016, 279046, 418569, 490032, 558092, 837138, 1116184, 1255707, 1674276, 2232368, 2511414, 3348552, 5022828, 6697104, 10045656, 20091312]

約数ペア:

[(1, 20091312), (2, 10045656), (3, 6697104), (4, 5022828), (6, 3348552), (8, 2511414), (9, 2232368), (12, 1674276), (16, 1255707), (18, 1116184), (24, 837138), (36, 558092), (41, 490032), (48, 418569), (72, 279046), (82, 245016), (83, 242064), (123, 163344), (144, 139523), (164, 122508), (166, 121032), (246, 81672), (249, 80688), (328, 61254), (332, 60516), (369, 54448), (492, 40836), (498, 40344), (656, 30627), (664, 30258), (738, 27224), (747, 26896), (984, 20418), (996, 20172), (1328, 15129), (1476, 13612), (1494, 13448), (1681, 11952), (1968, 10209), (1992, 10086), (2952, 6806), (2988, 6724), (3362, 5976), (3403, 5904), (3984, 5043)]