20099800

素因数分解:

$2^3\times 5^2\times 7^3\times {\mathrm{293}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 54684000

約数和(自身を除く): 34584200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 293, 343, 350, 392, 490, 586, 686, 700, 980, 1172, 1225, 1372, 1400, 1465, 1715, 1960, 2051, 2344, 2450, 2744, 2930, 3430, 4102, 4900, 5860, 6860, 7325, 8204, 8575, 9800, 10255, 11720, 13720, 14357, 14650, 16408, 17150, 20510, 28714, 29300, 34300, 41020, 51275, 57428, 58600, 68600, 71785, 82040, 100499, 102550, 114856, 143570, 200998, 205100, 287140, 358925, 401996, 410200, 502495, 574280, 717850, 803992, 1004990, 1435700, 2009980, 2512475, 2871400, 4019960, 5024950, 10049900, 20099800]

約数ペア:

[(1, 20099800), (2, 10049900), (4, 5024950), (5, 4019960), (7, 2871400), (8, 2512475), (10, 2009980), (14, 1435700), (20, 1004990), (25, 803992), (28, 717850), (35, 574280), (40, 502495), (49, 410200), (50, 401996), (56, 358925), (70, 287140), (98, 205100), (100, 200998), (140, 143570), (175, 114856), (196, 102550), (200, 100499), (245, 82040), (280, 71785), (293, 68600), (343, 58600), (350, 57428), (392, 51275), (490, 41020), (586, 34300), (686, 29300), (700, 28714), (980, 20510), (1172, 17150), (1225, 16408), (1372, 14650), (1400, 14357), (1465, 13720), (1715, 11720), (1960, 10255), (2051, 9800), (2344, 8575), (2450, 8204), (2744, 7325), (2930, 6860), (3430, 5860), (4102, 4900)]