20470293486

素因数分解:

$2^1\times 3^3\times {\mathrm{83}}^1\times {\mathrm{821}}^1\times {\mathrm{5563}}^1$

素因数の和:6478

約数の個数: 64

約数和(自身を含む): 46101968640

約数和(自身を除く): 25631675154

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 83, 166, 249, 498, 747, 821, 1494, 1642, 2241, 2463, 4482, 4926, 5563, 7389, 11126, 14778, 16689, 22167, 33378, 44334, 50067, 68143, 100134, 136286, 150201, 204429, 300402, 408858, 461729, 613287, 923458, 1226574, 1385187, 1839861, 2770374, 3679722, 4155561, 4567223, 8311122, 9134446, 12466683, 13701669, 24933366, 27403338, 41105007, 82210014, 123315021, 246630042, 379079509, 758159018, 1137238527, 2274477054, 3411715581, 6823431162, 10235146743, 20470293486]

約数ペア:

[(1, 20470293486), (2, 10235146743), (3, 6823431162), (6, 3411715581), (9, 2274477054), (18, 1137238527), (27, 758159018), (54, 379079509), (83, 246630042), (166, 123315021), (249, 82210014), (498, 41105007), (747, 27403338), (821, 24933366), (1494, 13701669), (1642, 12466683), (2241, 9134446), (2463, 8311122), (4482, 4567223), (4926, 4155561), (5563, 3679722), (7389, 2770374), (11126, 1839861), (14778, 1385187), (16689, 1226574), (22167, 923458), (33378, 613287), (44334, 461729), (50067, 408858), (68143, 300402), (100134, 204429), (136286, 150201)]