20204400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 120

約数和(自身を含む): 65732400

約数和(自身を除く): 45528000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 113, 120, 149, 150, 200, 226, 240, 298, 300, 339, 400, 447, 452, 565, 596, 600, 678, 745, 894, 904, 1130, 1192, 1200, 1356, 1490, 1695, 1788, 1808, 2235, 2260, 2384, 2712, 2825, 2980, 3390, 3576, 3725, 4470, 4520, 5424, 5650, 5960, 6780, 7152, 7450, 8475, 8940, 9040, 11175, 11300, 11920, 13560, 14900, 16837, 16950, 17880, 22350, 22600, 27120, 29800, 33674, 33900, 35760, 44700, 45200, 50511, 59600, 67348, 67800, 84185, 89400, 101022, 134696, 135600, 168370, 178800, 202044, 252555, 269392, 336740, 404088, 420925, 505110, 673480, 808176, 841850, 1010220, 1262775, 1346960, 1683700, 2020440, 2525550, 3367400, 4040880, 5051100, 6734800, 10102200, 20204400]

約数ペア:

[(1, 20204400), (2, 10102200), (3, 6734800), (4, 5051100), (5, 4040880), (6, 3367400), (8, 2525550), (10, 2020440), (12, 1683700), (15, 1346960), (16, 1262775), (20, 1010220), (24, 841850), (25, 808176), (30, 673480), (40, 505110), (48, 420925), (50, 404088), (60, 336740), (75, 269392), (80, 252555), (100, 202044), (113, 178800), (120, 168370), (149, 135600), (150, 134696), (200, 101022), (226, 89400), (240, 84185), (298, 67800), (300, 67348), (339, 59600), (400, 50511), (447, 45200), (452, 44700), (565, 35760), (596, 33900), (600, 33674), (678, 29800), (745, 27120), (894, 22600), (904, 22350), (1130, 17880), (1192, 16950), (1200, 16837), (1356, 14900), (1490, 13560), (1695, 11920), (1788, 11300), (1808, 11175), (2235, 9040), (2260, 8940), (2384, 8475), (2712, 7450), (2825, 7152), (2980, 6780), (3390, 5960), (3576, 5650), (3725, 5424), (4470, 4520)]