20247858

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 46051200

約数和(自身を除く): 25803342

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 79, 87, 158, 174, 237, 261, 474, 491, 522, 711, 982, 1422, 1473, 2291, 2946, 4419, 4582, 6873, 8838, 13746, 14239, 20619, 28478, 38789, 41238, 42717, 77578, 85434, 116367, 128151, 232734, 256302, 349101, 698202, 1124881, 2249762, 3374643, 6749286, 10123929, 20247858]

約数ペア:

[(1, 20247858), (2, 10123929), (3, 6749286), (6, 3374643), (9, 2249762), (18, 1124881), (29, 698202), (58, 349101), (79, 256302), (87, 232734), (158, 128151), (174, 116367), (237, 85434), (261, 77578), (474, 42717), (491, 41238), (522, 38789), (711, 28478), (982, 20619), (1422, 14239), (1473, 13746), (2291, 8838), (2946, 6873), (4419, 4582)]