20027000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{2861}}^1$

素因数の和:2889

約数の個数: 64

約数和(自身を含む): 53576640

約数和(自身を除く): 33549640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 2861, 3500, 5722, 7000, 11444, 14305, 20027, 22888, 28610, 40054, 57220, 71525, 80108, 100135, 114440, 143050, 160216, 200270, 286100, 357625, 400540, 500675, 572200, 715250, 801080, 1001350, 1430500, 2002700, 2503375, 2861000, 4005400, 5006750, 10013500, 20027000]

約数ペア:

[(1, 20027000), (2, 10013500), (4, 5006750), (5, 4005400), (7, 2861000), (8, 2503375), (10, 2002700), (14, 1430500), (20, 1001350), (25, 801080), (28, 715250), (35, 572200), (40, 500675), (50, 400540), (56, 357625), (70, 286100), (100, 200270), (125, 160216), (140, 143050), (175, 114440), (200, 100135), (250, 80108), (280, 71525), (350, 57220), (500, 40054), (700, 28610), (875, 22888), (1000, 20027), (1400, 14305), (1750, 11444), (2861, 7000), (3500, 5722)]