20432181

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 64

約数和(自身を含む): 37103616

約数和(自身を除く): 16671435

約数列:

[1, 3, 7, 11, 17, 21, 33, 43, 51, 77, 119, 121, 129, 187, 231, 301, 357, 363, 473, 561, 731, 847, 903, 1309, 1331, 1419, 2057, 2193, 2541, 3311, 3927, 3993, 5117, 5203, 6171, 8041, 9317, 9933, 14399, 15351, 15609, 22627, 24123, 27951, 36421, 43197, 56287, 57233, 67881, 88451, 109263, 158389, 168861, 171699, 265353, 400631, 475167, 619157, 972961, 1201893, 1857471, 2918883, 6810727, 20432181]

約数ペア:

[(1, 20432181), (3, 6810727), (7, 2918883), (11, 1857471), (17, 1201893), (21, 972961), (33, 619157), (43, 475167), (51, 400631), (77, 265353), (119, 171699), (121, 168861), (129, 158389), (187, 109263), (231, 88451), (301, 67881), (357, 57233), (363, 56287), (473, 43197), (561, 36421), (731, 27951), (847, 24123), (903, 22627), (1309, 15609), (1331, 15351), (1419, 14399), (2057, 9933), (2193, 9317), (2541, 8041), (3311, 6171), (3927, 5203), (3993, 5117)]