20201406720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{478253}}^1$

素因数の和:478288

約数の個数: 144

約数和(自身を含む): 70383684672

約数和(自身を除く): 50182277952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 768, 880, 960, 1056, 1280, 1320, 1408, 1760, 1920, 2112, 2640, 2816, 3520, 3840, 4224, 5280, 7040, 8448, 10560, 14080, 21120, 42240, 478253, 956506, 1434759, 1913012, 2391265, 2869518, 3826024, 4782530, 5260783, 5739036, 7173795, 7652048, 9565060, 10521566, 11478072, 14347590, 15304096, 15782349, 19130120, 21043132, 22956144, 26303915, 28695180, 30608192, 31564698, 38260240, 42086264, 45912288, 52607830, 57390360, 61216384, 63129396, 76520480, 78911745, 84172528, 91824576, 105215660, 114780720, 122432768, 126258792, 153040960, 157823490, 168345056, 183649152, 210431320, 229561440, 252517584, 306081920, 315646980, 336690112, 367298304, 420862640, 459122880, 505035168, 612163840, 631293960, 673380224, 841725280, 918245760, 1010070336, 1262587920, 1346760448, 1683450560, 1836491520, 2020140672, 2525175840, 3366901120, 4040281344, 5050351680, 6733802240, 10100703360, 20201406720]

約数ペア:

[(1, 20201406720), (2, 10100703360), (3, 6733802240), (4, 5050351680), (5, 4040281344), (6, 3366901120), (8, 2525175840), (10, 2020140672), (11, 1836491520), (12, 1683450560), (15, 1346760448), (16, 1262587920), (20, 1010070336), (22, 918245760), (24, 841725280), (30, 673380224), (32, 631293960), (33, 612163840), (40, 505035168), (44, 459122880), (48, 420862640), (55, 367298304), (60, 336690112), (64, 315646980), (66, 306081920), (80, 252517584), (88, 229561440), (96, 210431320), (110, 183649152), (120, 168345056), (128, 157823490), (132, 153040960), (160, 126258792), (165, 122432768), (176, 114780720), (192, 105215660), (220, 91824576), (240, 84172528), (256, 78911745), (264, 76520480), (320, 63129396), (330, 61216384), (352, 57390360), (384, 52607830), (440, 45912288), (480, 42086264), (528, 38260240), (640, 31564698), (660, 30608192), (704, 28695180), (768, 26303915), (880, 22956144), (960, 21043132), (1056, 19130120), (1280, 15782349), (1320, 15304096), (1408, 14347590), (1760, 11478072), (1920, 10521566), (2112, 9565060), (2640, 7652048), (2816, 7173795), (3520, 5739036), (3840, 5260783), (4224, 4782530), (5280, 3826024), (7040, 2869518), (8448, 2391265), (10560, 1913012), (14080, 1434759), (21120, 956506), (42240, 478253)]