20544328

素因数分解:

$2^3\times 7^3\times {\mathrm{7487}}^1$

素因数の和:7514

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 24383672

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7487, 14974, 29948, 52409, 59896, 104818, 209636, 366863, 419272, 733726, 1467452, 2568041, 2934904, 5136082, 10272164, 20544328]

約数ペア:

[(1, 20544328), (2, 10272164), (4, 5136082), (7, 2934904), (8, 2568041), (14, 1467452), (28, 733726), (49, 419272), (56, 366863), (98, 209636), (196, 104818), (343, 59896), (392, 52409), (686, 29948), (1372, 14974), (2744, 7487)]