20805336

素因数分解:

$2^3\times 3^4\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 59052840

約数和(自身を除く): 38247504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 97, 108, 162, 194, 216, 291, 324, 331, 388, 582, 648, 662, 776, 873, 993, 1164, 1324, 1746, 1986, 2328, 2619, 2648, 2979, 3492, 3972, 5238, 5958, 6984, 7857, 7944, 8937, 10476, 11916, 15714, 17874, 20952, 23832, 26811, 31428, 32107, 35748, 53622, 62856, 64214, 71496, 96321, 107244, 128428, 192642, 214488, 256856, 288963, 385284, 577926, 770568, 866889, 1155852, 1733778, 2311704, 2600667, 3467556, 5201334, 6935112, 10402668, 20805336]

約数ペア:

[(1, 20805336), (2, 10402668), (3, 6935112), (4, 5201334), (6, 3467556), (8, 2600667), (9, 2311704), (12, 1733778), (18, 1155852), (24, 866889), (27, 770568), (36, 577926), (54, 385284), (72, 288963), (81, 256856), (97, 214488), (108, 192642), (162, 128428), (194, 107244), (216, 96321), (291, 71496), (324, 64214), (331, 62856), (388, 53622), (582, 35748), (648, 32107), (662, 31428), (776, 26811), (873, 23832), (993, 20952), (1164, 17874), (1324, 15714), (1746, 11916), (1986, 10476), (2328, 8937), (2619, 7944), (2648, 7857), (2979, 6984), (3492, 5958), (3972, 5238)]