20392800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 68901840

約数和(自身を除く): 48509040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 29, 30, 32, 40, 48, 50, 58, 60, 75, 80, 87, 96, 100, 116, 120, 145, 150, 160, 174, 200, 232, 240, 290, 293, 300, 348, 400, 435, 464, 480, 580, 586, 600, 696, 725, 800, 870, 879, 928, 1160, 1172, 1200, 1392, 1450, 1465, 1740, 1758, 2175, 2320, 2344, 2400, 2784, 2900, 2930, 3480, 3516, 4350, 4395, 4640, 4688, 5800, 5860, 6960, 7032, 7325, 8497, 8700, 8790, 9376, 11600, 11720, 13920, 14064, 14650, 16994, 17400, 17580, 21975, 23200, 23440, 25491, 28128, 29300, 33988, 34800, 35160, 42485, 43950, 46880, 50982, 58600, 67976, 69600, 70320, 84970, 87900, 101964, 117200, 127455, 135952, 140640, 169940, 175800, 203928, 212425, 234400, 254910, 271904, 339880, 351600, 407856, 424850, 509820, 637275, 679760, 703200, 815712, 849700, 1019640, 1274550, 1359520, 1699400, 2039280, 2549100, 3398800, 4078560, 5098200, 6797600, 10196400, 20392800]

約数ペア:

[(1, 20392800), (2, 10196400), (3, 6797600), (4, 5098200), (5, 4078560), (6, 3398800), (8, 2549100), (10, 2039280), (12, 1699400), (15, 1359520), (16, 1274550), (20, 1019640), (24, 849700), (25, 815712), (29, 703200), (30, 679760), (32, 637275), (40, 509820), (48, 424850), (50, 407856), (58, 351600), (60, 339880), (75, 271904), (80, 254910), (87, 234400), (96, 212425), (100, 203928), (116, 175800), (120, 169940), (145, 140640), (150, 135952), (160, 127455), (174, 117200), (200, 101964), (232, 87900), (240, 84970), (290, 70320), (293, 69600), (300, 67976), (348, 58600), (400, 50982), (435, 46880), (464, 43950), (480, 42485), (580, 35160), (586, 34800), (600, 33988), (696, 29300), (725, 28128), (800, 25491), (870, 23440), (879, 23200), (928, 21975), (1160, 17580), (1172, 17400), (1200, 16994), (1392, 14650), (1450, 14064), (1465, 13920), (1740, 11720), (1758, 11600), (2175, 9376), (2320, 8790), (2344, 8700), (2400, 8497), (2784, 7325), (2900, 7032), (2930, 6960), (3480, 5860), (3516, 5800), (4350, 4688), (4395, 4640)]