20680143

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 32182272

約数和(自身を除く): 11502129

約数列:

[1, 3, 11, 17, 33, 51, 187, 191, 193, 561, 573, 579, 2101, 2123, 3247, 3281, 6303, 6369, 9741, 9843, 35717, 36091, 36863, 107151, 108273, 110589, 405493, 626671, 1216479, 1880013, 6893381, 20680143]

約数ペア:

[(1, 20680143), (3, 6893381), (11, 1880013), (17, 1216479), (33, 626671), (51, 405493), (187, 110589), (191, 108273), (193, 107151), (561, 36863), (573, 36091), (579, 35717), (2101, 9843), (2123, 9741), (3247, 6369), (3281, 6303)]