20938800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17449}}^1$

素因数の和:17470

約数の個数: 60

約数和(自身を含む): 67077800

約数和(自身を除く): 46139000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 17449, 34898, 52347, 69796, 87245, 104694, 139592, 174490, 209388, 261735, 279184, 348980, 418776, 436225, 523470, 697960, 837552, 872450, 1046940, 1308675, 1395920, 1744900, 2093880, 2617350, 3489800, 4187760, 5234700, 6979600, 10469400, 20938800]

約数ペア:

[(1, 20938800), (2, 10469400), (3, 6979600), (4, 5234700), (5, 4187760), (6, 3489800), (8, 2617350), (10, 2093880), (12, 1744900), (15, 1395920), (16, 1308675), (20, 1046940), (24, 872450), (25, 837552), (30, 697960), (40, 523470), (48, 436225), (50, 418776), (60, 348980), (75, 279184), (80, 261735), (100, 209388), (120, 174490), (150, 139592), (200, 104694), (240, 87245), (300, 69796), (400, 52347), (600, 34898), (1200, 17449)]