20374400

素因数分解:

$2^7\times 5^2\times {\mathrm{6367}}^1$

素因数の和:6391

約数の個数: 48

約数和(自身を含む): 50339040

約数和(自身を除く): 29964640

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, 6367, 12734, 25468, 31835, 50936, 63670, 101872, 127340, 159175, 203744, 254680, 318350, 407488, 509360, 636700, 814976, 1018720, 1273400, 2037440, 2546800, 4074880, 5093600, 10187200, 20374400]

約数ペア:

[(1, 20374400), (2, 10187200), (4, 5093600), (5, 4074880), (8, 2546800), (10, 2037440), (16, 1273400), (20, 1018720), (25, 814976), (32, 636700), (40, 509360), (50, 407488), (64, 318350), (80, 254680), (100, 203744), (128, 159175), (160, 127340), (200, 101872), (320, 63670), (400, 50936), (640, 31835), (800, 25468), (1600, 12734), (3200, 6367)]