20355200

素因数分解:

$2^7\times 5^2\times {\mathrm{6361}}^1$

素因数の和:6385

約数の個数: 48

約数和(自身を含む): 50291610

約数和(自身を除く): 29936410

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6361, 12722, 25444, 31805, 50888, 63610, 101776, 127220, 159025, 203552, 254440, 318050, 407104, 508880, 636100, 814208, 1017760, 1272200, 2035520, 2544400, 4071040, 5088800, 10177600, 20355200]

約数ペア:

[(1, 20355200), (2, 10177600), (4, 5088800), (5, 4071040), (8, 2544400), (10, 2035520), (16, 1272200), (20, 1017760), (25, 814208), (32, 636100), (40, 508880), (50, 407104), (64, 318050), (80, 254440), (100, 203552), (128, 159025), (160, 127220), (200, 101776), (320, 63610), (400, 50888), (640, 31805), (800, 25444), (1600, 12722), (3200, 6361)]