20465808

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{467}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 58496256

約数和(自身を除く): 38030448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 83, 88, 132, 166, 176, 249, 264, 332, 467, 498, 528, 664, 913, 934, 996, 1328, 1401, 1826, 1868, 1992, 2739, 2802, 3652, 3736, 3984, 5137, 5478, 5604, 7304, 7472, 10274, 10956, 11208, 14608, 15411, 20548, 21912, 22416, 30822, 38761, 41096, 43824, 61644, 77522, 82192, 116283, 123288, 155044, 232566, 246576, 310088, 426371, 465132, 620176, 852742, 930264, 1279113, 1705484, 1860528, 2558226, 3410968, 5116452, 6821936, 10232904, 20465808]

約数ペア:

[(1, 20465808), (2, 10232904), (3, 6821936), (4, 5116452), (6, 3410968), (8, 2558226), (11, 1860528), (12, 1705484), (16, 1279113), (22, 930264), (24, 852742), (33, 620176), (44, 465132), (48, 426371), (66, 310088), (83, 246576), (88, 232566), (132, 155044), (166, 123288), (176, 116283), (249, 82192), (264, 77522), (332, 61644), (467, 43824), (498, 41096), (528, 38761), (664, 30822), (913, 22416), (934, 21912), (996, 20548), (1328, 15411), (1401, 14608), (1826, 11208), (1868, 10956), (1992, 10274), (2739, 7472), (2802, 7304), (3652, 5604), (3736, 5478), (3984, 5137)]