20582128

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1447}}^1$

素因数の和:1589

約数の個数: 40

約数和(自身を含む): 45965312

約数和(自身を除く): 25383184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1447, 1778, 2032, 2894, 3556, 5788, 7112, 10129, 11576, 14224, 20258, 23152, 40516, 81032, 162064, 183769, 367538, 735076, 1286383, 1470152, 2572766, 2940304, 5145532, 10291064, 20582128]

約数ペア:

[(1, 20582128), (2, 10291064), (4, 5145532), (7, 2940304), (8, 2572766), (14, 1470152), (16, 1286383), (28, 735076), (56, 367538), (112, 183769), (127, 162064), (254, 81032), (508, 40516), (889, 23152), (1016, 20258), (1447, 14224), (1778, 11576), (2032, 10129), (2894, 7112), (3556, 5788)]