20103748

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 26344892

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 31, 38, 46, 53, 62, 76, 92, 106, 124, 133, 161, 212, 217, 266, 322, 371, 434, 437, 532, 589, 644, 713, 742, 868, 874, 1007, 1178, 1219, 1426, 1484, 1643, 1748, 2014, 2356, 2438, 2852, 3059, 3286, 4028, 4123, 4876, 4991, 6118, 6572, 7049, 8246, 8533, 9982, 11501, 12236, 13547, 14098, 16492, 17066, 19964, 23002, 23161, 27094, 28196, 31217, 34132, 37789, 46004, 46322, 54188, 62434, 75578, 92644, 94829, 124868, 151156, 162127, 189658, 218519, 264523, 324254, 379316, 437038, 529046, 648508, 717991, 874076, 1058092, 1435982, 2871964, 5025937, 10051874, 20103748]

約数ペア:

[(1, 20103748), (2, 10051874), (4, 5025937), (7, 2871964), (14, 1435982), (19, 1058092), (23, 874076), (28, 717991), (31, 648508), (38, 529046), (46, 437038), (53, 379316), (62, 324254), (76, 264523), (92, 218519), (106, 189658), (124, 162127), (133, 151156), (161, 124868), (212, 94829), (217, 92644), (266, 75578), (322, 62434), (371, 54188), (434, 46322), (437, 46004), (532, 37789), (589, 34132), (644, 31217), (713, 28196), (742, 27094), (868, 23161), (874, 23002), (1007, 19964), (1178, 17066), (1219, 16492), (1426, 14098), (1484, 13547), (1643, 12236), (1748, 11501), (2014, 9982), (2356, 8533), (2438, 8246), (2852, 7049), (3059, 6572), (3286, 6118), (4028, 4991), (4123, 4876)]