20850018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13417}}^1$

素因数の和:13466

約数の個数: 32

約数和(自身を含む): 48948864

約数和(自身を除く): 28098846

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13417, 26834, 40251, 80502, 93919, 187838, 281757, 496429, 563514, 992858, 1489287, 2978574, 3475003, 6950006, 10425009, 20850018]

約数ペア:

[(1, 20850018), (2, 10425009), (3, 6950006), (6, 3475003), (7, 2978574), (14, 1489287), (21, 992858), (37, 563514), (42, 496429), (74, 281757), (111, 187838), (222, 93919), (259, 80502), (518, 40251), (777, 26834), (1554, 13417)]