20161638084

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1726759}}^1$

素因数の和:1726912

約数の個数: 48

約数和(自身を含む): 54151193600

約数和(自身を除く): 33989555516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 278, 417, 556, 834, 973, 1668, 1946, 2919, 3892, 5838, 11676, 1726759, 3453518, 5180277, 6907036, 10360554, 12087313, 20721108, 24174626, 36261939, 48349252, 72523878, 145047756, 240019501, 480039002, 720058503, 960078004, 1440117006, 1680136507, 2880234012, 3360273014, 5040409521, 6720546028, 10080819042, 20161638084]

約数ペア:

[(1, 20161638084), (2, 10080819042), (3, 6720546028), (4, 5040409521), (6, 3360273014), (7, 2880234012), (12, 1680136507), (14, 1440117006), (21, 960078004), (28, 720058503), (42, 480039002), (84, 240019501), (139, 145047756), (278, 72523878), (417, 48349252), (556, 36261939), (834, 24174626), (973, 20721108), (1668, 12087313), (1946, 10360554), (2919, 6907036), (3892, 5180277), (5838, 3453518), (11676, 1726759)]