20518951248

素因数分解:

$2^4\times 3^2\times {\mathrm{8941}}^1\times {\mathrm{15937}}^1$

素因数の和:24892

約数の個数: 60

約数和(自身を含む): 57434591188

約数和(自身を除く): 36915639940

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 8941, 15937, 17882, 26823, 31874, 35764, 47811, 53646, 63748, 71528, 80469, 95622, 107292, 127496, 143056, 143433, 160938, 191244, 214584, 254992, 286866, 321876, 382488, 429168, 573732, 643752, 764976, 1147464, 1287504, 2294928, 142492717, 284985434, 427478151, 569970868, 854956302, 1139941736, 1282434453, 1709912604, 2279883472, 2564868906, 3419825208, 5129737812, 6839650416, 10259475624, 20518951248]

約数ペア:

[(1, 20518951248), (2, 10259475624), (3, 6839650416), (4, 5129737812), (6, 3419825208), (8, 2564868906), (9, 2279883472), (12, 1709912604), (16, 1282434453), (18, 1139941736), (24, 854956302), (36, 569970868), (48, 427478151), (72, 284985434), (144, 142492717), (8941, 2294928), (15937, 1287504), (17882, 1147464), (26823, 764976), (31874, 643752), (35764, 573732), (47811, 429168), (53646, 382488), (63748, 321876), (71528, 286866), (80469, 254992), (95622, 214584), (107292, 191244), (127496, 160938), (143056, 143433)]