20934846

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1$

素因数の和:1561

約数の個数: 48

約数和(自身を含む): 48943440

約数和(自身を除く): 28008594

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 41, 57, 82, 114, 123, 171, 246, 342, 369, 738, 779, 1493, 1558, 2337, 2986, 4479, 4674, 7011, 8958, 13437, 14022, 26874, 28367, 56734, 61213, 85101, 122426, 170202, 183639, 255303, 367278, 510606, 550917, 1101834, 1163047, 2326094, 3489141, 6978282, 10467423, 20934846]

約数ペア:

[(1, 20934846), (2, 10467423), (3, 6978282), (6, 3489141), (9, 2326094), (18, 1163047), (19, 1101834), (38, 550917), (41, 510606), (57, 367278), (82, 255303), (114, 183639), (123, 170202), (171, 122426), (246, 85101), (342, 61213), (369, 56734), (738, 28367), (779, 26874), (1493, 14022), (1558, 13437), (2337, 8958), (2986, 7011), (4479, 4674)]