20513616

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 56663040

約数和(自身を除く): 36149424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 83, 114, 152, 166, 228, 249, 271, 304, 332, 456, 498, 542, 664, 813, 912, 996, 1084, 1328, 1577, 1626, 1992, 2168, 3154, 3252, 3984, 4336, 4731, 5149, 6308, 6504, 9462, 10298, 12616, 13008, 15447, 18924, 20596, 22493, 25232, 30894, 37848, 41192, 44986, 61788, 67479, 75696, 82384, 89972, 123576, 134958, 179944, 247152, 269916, 359888, 427367, 539832, 854734, 1079664, 1282101, 1709468, 2564202, 3418936, 5128404, 6837872, 10256808, 20513616]

約数ペア:

[(1, 20513616), (2, 10256808), (3, 6837872), (4, 5128404), (6, 3418936), (8, 2564202), (12, 1709468), (16, 1282101), (19, 1079664), (24, 854734), (38, 539832), (48, 427367), (57, 359888), (76, 269916), (83, 247152), (114, 179944), (152, 134958), (166, 123576), (228, 89972), (249, 82384), (271, 75696), (304, 67479), (332, 61788), (456, 44986), (498, 41192), (542, 37848), (664, 30894), (813, 25232), (912, 22493), (996, 20596), (1084, 18924), (1328, 15447), (1577, 13008), (1626, 12616), (1992, 10298), (2168, 9462), (3154, 6504), (3252, 6308), (3984, 5149), (4336, 4731)]