20084456

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 44945280

約数和(自身を除く): 24860824

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 67, 101, 106, 134, 202, 212, 268, 371, 404, 424, 469, 536, 707, 742, 808, 938, 1414, 1484, 1876, 2828, 2968, 3551, 3752, 5353, 5656, 6767, 7102, 10706, 13534, 14204, 21412, 24857, 27068, 28408, 37471, 42824, 47369, 49714, 54136, 74942, 94738, 99428, 149884, 189476, 198856, 299768, 358651, 378952, 717302, 1434604, 2510557, 2869208, 5021114, 10042228, 20084456]

約数ペア:

[(1, 20084456), (2, 10042228), (4, 5021114), (7, 2869208), (8, 2510557), (14, 1434604), (28, 717302), (53, 378952), (56, 358651), (67, 299768), (101, 198856), (106, 189476), (134, 149884), (202, 99428), (212, 94738), (268, 74942), (371, 54136), (404, 49714), (424, 47369), (469, 42824), (536, 37471), (707, 28408), (742, 27068), (808, 24857), (938, 21412), (1414, 14204), (1484, 13534), (1876, 10706), (2828, 7102), (2968, 6767), (3551, 5656), (3752, 5353)]