20218804744

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1\times {\mathrm{1259}}^1$

素因数の和:1702

約数の個数: 64

約数和(自身を含む): 38970590400

約数和(自身を除く): 18751785656

約数列:

[1, 2, 4, 8, 73, 107, 146, 214, 257, 292, 428, 514, 584, 856, 1028, 1259, 2056, 2518, 5036, 7811, 10072, 15622, 18761, 27499, 31244, 37522, 54998, 62488, 75044, 91907, 109996, 134713, 150088, 183814, 219992, 269426, 323563, 367628, 538852, 647126, 735256, 1077704, 1294252, 2007427, 2588504, 4014854, 8029708, 9834049, 16059416, 19668098, 23620099, 34621241, 39336196, 47240198, 69242482, 78672392, 94480396, 138484964, 188960792, 276969928, 2527350593, 5054701186, 10109402372, 20218804744]

約数ペア:

[(1, 20218804744), (2, 10109402372), (4, 5054701186), (8, 2527350593), (73, 276969928), (107, 188960792), (146, 138484964), (214, 94480396), (257, 78672392), (292, 69242482), (428, 47240198), (514, 39336196), (584, 34621241), (856, 23620099), (1028, 19668098), (1259, 16059416), (2056, 9834049), (2518, 8029708), (5036, 4014854), (7811, 2588504), (10072, 2007427), (15622, 1294252), (18761, 1077704), (27499, 735256), (31244, 647126), (37522, 538852), (54998, 367628), (62488, 323563), (75044, 269426), (91907, 219992), (109996, 183814), (134713, 150088)]