20113920

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{97}}^1$

素因数の和:132

約数の個数: 200

約数和(自身を含む): 72784404

約数和(自身を除く): 52670484

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 97, 108, 120, 128, 135, 144, 160, 162, 180, 192, 194, 216, 240, 256, 270, 288, 291, 320, 324, 360, 384, 388, 405, 432, 480, 485, 512, 540, 576, 582, 640, 648, 720, 768, 776, 810, 864, 873, 960, 970, 1080, 1152, 1164, 1280, 1296, 1440, 1455, 1536, 1552, 1620, 1728, 1746, 1920, 1940, 2160, 2304, 2328, 2560, 2592, 2619, 2880, 2910, 3104, 3240, 3456, 3492, 3840, 3880, 4320, 4365, 4608, 4656, 5184, 5238, 5760, 5820, 6208, 6480, 6912, 6984, 7680, 7760, 7857, 8640, 8730, 9312, 10368, 10476, 11520, 11640, 12416, 12960, 13095, 13824, 13968, 15520, 15714, 17280, 17460, 18624, 20736, 20952, 23040, 23280, 24832, 25920, 26190, 27936, 31040, 31428, 34560, 34920, 37248, 39285, 41472, 41904, 46560, 49664, 51840, 52380, 55872, 62080, 62856, 69120, 69840, 74496, 78570, 83808, 93120, 103680, 104760, 111744, 124160, 125712, 139680, 148992, 157140, 167616, 186240, 207360, 209520, 223488, 248320, 251424, 279360, 314280, 335232, 372480, 419040, 446976, 502848, 558720, 628560, 670464, 744960, 838080, 1005696, 1117440, 1257120, 1340928, 1676160, 2011392, 2234880, 2514240, 3352320, 4022784, 5028480, 6704640, 10056960, 20113920]

約数ペア:

[(1, 20113920), (2, 10056960), (3, 6704640), (4, 5028480), (5, 4022784), (6, 3352320), (8, 2514240), (9, 2234880), (10, 2011392), (12, 1676160), (15, 1340928), (16, 1257120), (18, 1117440), (20, 1005696), (24, 838080), (27, 744960), (30, 670464), (32, 628560), (36, 558720), (40, 502848), (45, 446976), (48, 419040), (54, 372480), (60, 335232), (64, 314280), (72, 279360), (80, 251424), (81, 248320), (90, 223488), (96, 209520), (97, 207360), (108, 186240), (120, 167616), (128, 157140), (135, 148992), (144, 139680), (160, 125712), (162, 124160), (180, 111744), (192, 104760), (194, 103680), (216, 93120), (240, 83808), (256, 78570), (270, 74496), (288, 69840), (291, 69120), (320, 62856), (324, 62080), (360, 55872), (384, 52380), (388, 51840), (405, 49664), (432, 46560), (480, 41904), (485, 41472), (512, 39285), (540, 37248), (576, 34920), (582, 34560), (640, 31428), (648, 31040), (720, 27936), (768, 26190), (776, 25920), (810, 24832), (864, 23280), (873, 23040), (960, 20952), (970, 20736), (1080, 18624), (1152, 17460), (1164, 17280), (1280, 15714), (1296, 15520), (1440, 13968), (1455, 13824), (1536, 13095), (1552, 12960), (1620, 12416), (1728, 11640), (1746, 11520), (1920, 10476), (1940, 10368), (2160, 9312), (2304, 8730), (2328, 8640), (2560, 7857), (2592, 7760), (2619, 7680), (2880, 6984), (2910, 6912), (3104, 6480), (3240, 6208), (3456, 5820), (3492, 5760), (3840, 5238), (3880, 5184), (4320, 4656), (4365, 4608)]