20351520

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{673}}^1$

素因数の和:704

約数の個数: 192

約数和(自身を含む): 81527040

約数和(自身を除く): 61175520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 673, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1346, 1440, 1512, 1680, 1890, 2016, 2019, 2160, 2520, 2692, 3024, 3360, 3365, 3780, 4038, 4320, 4711, 5040, 5384, 6048, 6057, 6730, 7560, 8076, 9422, 10080, 10095, 10768, 12114, 13460, 14133, 15120, 16152, 18171, 18844, 20190, 21536, 23555, 24228, 26920, 28266, 30240, 30285, 32304, 36342, 37688, 40380, 42399, 47110, 48456, 53840, 56532, 60570, 64608, 70665, 72684, 75376, 80760, 84798, 90855, 94220, 96912, 107680, 113064, 121140, 127197, 141330, 145368, 150752, 161520, 169596, 181710, 188440, 193824, 211995, 226128, 242280, 254394, 282660, 290736, 323040, 339192, 363420, 376880, 423990, 452256, 484560, 508788, 565320, 581472, 635985, 678384, 726840, 753760, 847980, 969120, 1017576, 1130640, 1271970, 1356768, 1453680, 1695960, 2035152, 2261280, 2543940, 2907360, 3391920, 4070304, 5087880, 6783840, 10175760, 20351520]

約数ペア:

[(1, 20351520), (2, 10175760), (3, 6783840), (4, 5087880), (5, 4070304), (6, 3391920), (7, 2907360), (8, 2543940), (9, 2261280), (10, 2035152), (12, 1695960), (14, 1453680), (15, 1356768), (16, 1271970), (18, 1130640), (20, 1017576), (21, 969120), (24, 847980), (27, 753760), (28, 726840), (30, 678384), (32, 635985), (35, 581472), (36, 565320), (40, 508788), (42, 484560), (45, 452256), (48, 423990), (54, 376880), (56, 363420), (60, 339192), (63, 323040), (70, 290736), (72, 282660), (80, 254394), (84, 242280), (90, 226128), (96, 211995), (105, 193824), (108, 188440), (112, 181710), (120, 169596), (126, 161520), (135, 150752), (140, 145368), (144, 141330), (160, 127197), (168, 121140), (180, 113064), (189, 107680), (210, 96912), (216, 94220), (224, 90855), (240, 84798), (252, 80760), (270, 75376), (280, 72684), (288, 70665), (315, 64608), (336, 60570), (360, 56532), (378, 53840), (420, 48456), (432, 47110), (480, 42399), (504, 40380), (540, 37688), (560, 36342), (630, 32304), (672, 30285), (673, 30240), (720, 28266), (756, 26920), (840, 24228), (864, 23555), (945, 21536), (1008, 20190), (1080, 18844), (1120, 18171), (1260, 16152), (1346, 15120), (1440, 14133), (1512, 13460), (1680, 12114), (1890, 10768), (2016, 10095), (2019, 10080), (2160, 9422), (2520, 8076), (2692, 7560), (3024, 6730), (3360, 6057), (3365, 6048), (3780, 5384), (4038, 5040), (4320, 4711)]