20386488

素因数分解:

$2^3\times 3^1\times {\mathrm{109}}^1\times {\mathrm{7793}}^1$

素因数の和:7911

約数の個数: 32

約数和(自身を含む): 51440400

約数和(自身を除く): 31053912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 109, 218, 327, 436, 654, 872, 1308, 2616, 7793, 15586, 23379, 31172, 46758, 62344, 93516, 187032, 849437, 1698874, 2548311, 3397748, 5096622, 6795496, 10193244, 20386488]

約数ペア:

[(1, 20386488), (2, 10193244), (3, 6795496), (4, 5096622), (6, 3397748), (8, 2548311), (12, 1698874), (24, 849437), (109, 187032), (218, 93516), (327, 62344), (436, 46758), (654, 31172), (872, 23379), (1308, 15586), (2616, 7793)]