20217005248

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{90023}}^1$

素因数の和:90086

約数の個数: 84

約数和(自身を含む): 45617861520

約数和(自身を除く): 25400856272

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 121, 176, 232, 242, 319, 352, 464, 484, 638, 704, 928, 968, 1276, 1856, 1936, 2552, 3509, 3872, 5104, 7018, 7744, 10208, 14036, 20416, 28072, 56144, 90023, 112288, 180046, 224576, 360092, 720184, 990253, 1440368, 1980506, 2610667, 2880736, 3961012, 5221334, 5761472, 7922024, 10442668, 10892783, 15844048, 20885336, 21785566, 28717337, 31688096, 41770672, 43571132, 57434674, 63376192, 83541344, 87142264, 114869348, 167082688, 174284528, 229738696, 315890707, 348569056, 459477392, 631781414, 697138112, 918954784, 1263562828, 1837909568, 2527125656, 5054251312, 10108502624, 20217005248]

約数ペア:

[(1, 20217005248), (2, 10108502624), (4, 5054251312), (8, 2527125656), (11, 1837909568), (16, 1263562828), (22, 918954784), (29, 697138112), (32, 631781414), (44, 459477392), (58, 348569056), (64, 315890707), (88, 229738696), (116, 174284528), (121, 167082688), (176, 114869348), (232, 87142264), (242, 83541344), (319, 63376192), (352, 57434674), (464, 43571132), (484, 41770672), (638, 31688096), (704, 28717337), (928, 21785566), (968, 20885336), (1276, 15844048), (1856, 10892783), (1936, 10442668), (2552, 7922024), (3509, 5761472), (3872, 5221334), (5104, 3961012), (7018, 2880736), (7744, 2610667), (10208, 1980506), (14036, 1440368), (20416, 990253), (28072, 720184), (56144, 360092), (90023, 224576), (112288, 180046)]