20400450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19429}}^1$

素因数の和:19451

約数の個数: 48

約数和(自身を含む): 57823680

約数和(自身を除く): 37423230

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 19429, 38858, 58287, 97145, 116574, 136003, 194290, 272006, 291435, 408009, 485725, 582870, 680015, 816018, 971450, 1360030, 1457175, 2040045, 2914350, 3400075, 4080090, 6800150, 10200225, 20400450]

約数ペア:

[(1, 20400450), (2, 10200225), (3, 6800150), (5, 4080090), (6, 3400075), (7, 2914350), (10, 2040045), (14, 1457175), (15, 1360030), (21, 971450), (25, 816018), (30, 680015), (35, 582870), (42, 485725), (50, 408009), (70, 291435), (75, 272006), (105, 194290), (150, 136003), (175, 116574), (210, 97145), (350, 58287), (525, 38858), (1050, 19429)]