20804604

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1753}}^1$

素因数の和:1826

約数の個数: 48

約数和(自身を含む): 51862272

約数和(自身を除く): 31057668

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1753, 1978, 2967, 3506, 3956, 5259, 5934, 7012, 10518, 11868, 21036, 40319, 75379, 80638, 120957, 150758, 161276, 226137, 241914, 301516, 452274, 483828, 904548, 1733717, 3467434, 5201151, 6934868, 10402302, 20804604]

約数ペア:

[(1, 20804604), (2, 10402302), (3, 6934868), (4, 5201151), (6, 3467434), (12, 1733717), (23, 904548), (43, 483828), (46, 452274), (69, 301516), (86, 241914), (92, 226137), (129, 161276), (138, 150758), (172, 120957), (258, 80638), (276, 75379), (516, 40319), (989, 21036), (1753, 11868), (1978, 10518), (2967, 7012), (3506, 5934), (3956, 5259)]