20369600

素因数分解:

$2^6\times 5^2\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:490

約数の個数: 84

約数和(自身を含む): 51968400

約数和(自身を除く): 31598800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 145, 160, 200, 232, 290, 320, 400, 439, 464, 580, 725, 800, 878, 928, 1160, 1450, 1600, 1756, 1856, 2195, 2320, 2900, 3512, 4390, 4640, 5800, 7024, 8780, 9280, 10975, 11600, 12731, 14048, 17560, 21950, 23200, 25462, 28096, 35120, 43900, 46400, 50924, 63655, 70240, 87800, 101848, 127310, 140480, 175600, 203696, 254620, 318275, 351200, 407392, 509240, 636550, 702400, 814784, 1018480, 1273100, 2036960, 2546200, 4073920, 5092400, 10184800, 20369600]

約数ペア:

[(1, 20369600), (2, 10184800), (4, 5092400), (5, 4073920), (8, 2546200), (10, 2036960), (16, 1273100), (20, 1018480), (25, 814784), (29, 702400), (32, 636550), (40, 509240), (50, 407392), (58, 351200), (64, 318275), (80, 254620), (100, 203696), (116, 175600), (145, 140480), (160, 127310), (200, 101848), (232, 87800), (290, 70240), (320, 63655), (400, 50924), (439, 46400), (464, 43900), (580, 35120), (725, 28096), (800, 25462), (878, 23200), (928, 21950), (1160, 17560), (1450, 14048), (1600, 12731), (1756, 11600), (1856, 10975), (2195, 9280), (2320, 8780), (2900, 7024), (3512, 5800), (4390, 4640)]