20149888

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{1301}}^1$

素因数の和:1337

約数の個数: 48

約数和(自身を含む): 44157330

約数和(自身を除く): 24007442

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 176, 242, 352, 484, 704, 968, 1301, 1408, 1936, 2602, 3872, 5204, 7744, 10408, 14311, 15488, 20816, 28622, 41632, 57244, 83264, 114488, 157421, 166528, 228976, 314842, 457952, 629684, 915904, 1259368, 1831808, 2518736, 5037472, 10074944, 20149888]

約数ペア:

[(1, 20149888), (2, 10074944), (4, 5037472), (8, 2518736), (11, 1831808), (16, 1259368), (22, 915904), (32, 629684), (44, 457952), (64, 314842), (88, 228976), (121, 166528), (128, 157421), (176, 114488), (242, 83264), (352, 57244), (484, 41632), (704, 28622), (968, 20816), (1301, 15488), (1408, 14311), (1936, 10408), (2602, 7744), (3872, 5204)]