20267534

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 35963136

約数和(自身を除く): 15695602

約数列:

[1, 2, 7, 14, 43, 86, 131, 257, 262, 301, 514, 602, 917, 1799, 1834, 3598, 5633, 11051, 11266, 22102, 33667, 39431, 67334, 77357, 78862, 154714, 235669, 471338, 1447681, 2895362, 10133767, 20267534]

約数ペア:

[(1, 20267534), (2, 10133767), (7, 2895362), (14, 1447681), (43, 471338), (86, 235669), (131, 154714), (257, 78862), (262, 77357), (301, 67334), (514, 39431), (602, 33667), (917, 22102), (1799, 11266), (1834, 11051), (3598, 5633)]