20117748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1723}}^1$

素因数の和:1876

約数の個数: 48

約数和(自身を含む): 54064640

約数和(自身を除く): 33946892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 278, 417, 556, 834, 973, 1668, 1723, 1946, 2919, 3446, 3892, 5169, 5838, 6892, 10338, 11676, 12061, 20676, 24122, 36183, 48244, 72366, 144732, 239497, 478994, 718491, 957988, 1436982, 1676479, 2873964, 3352958, 5029437, 6705916, 10058874, 20117748]

約数ペア:

[(1, 20117748), (2, 10058874), (3, 6705916), (4, 5029437), (6, 3352958), (7, 2873964), (12, 1676479), (14, 1436982), (21, 957988), (28, 718491), (42, 478994), (84, 239497), (139, 144732), (278, 72366), (417, 48244), (556, 36183), (834, 24122), (973, 20676), (1668, 12061), (1723, 11676), (1946, 10338), (2919, 6892), (3446, 5838), (3892, 5169)]