20136960

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 264

約数和(自身を含む): 76639680

約数和(自身を除く): 56502720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 23, 24, 30, 32, 36, 38, 40, 45, 46, 48, 57, 60, 64, 69, 72, 76, 80, 90, 92, 95, 96, 114, 115, 120, 128, 138, 144, 152, 160, 171, 180, 184, 190, 192, 207, 228, 230, 240, 256, 276, 285, 288, 304, 320, 342, 345, 360, 368, 380, 384, 414, 437, 456, 460, 480, 512, 552, 570, 576, 608, 640, 684, 690, 720, 736, 760, 768, 828, 855, 874, 912, 920, 960, 1024, 1035, 1104, 1140, 1152, 1216, 1280, 1311, 1368, 1380, 1440, 1472, 1520, 1536, 1656, 1710, 1748, 1824, 1840, 1920, 2070, 2185, 2208, 2280, 2304, 2432, 2560, 2622, 2736, 2760, 2880, 2944, 3040, 3072, 3312, 3420, 3496, 3648, 3680, 3840, 3933, 4140, 4370, 4416, 4560, 4608, 4864, 5120, 5244, 5472, 5520, 5760, 5888, 6080, 6555, 6624, 6840, 6992, 7296, 7360, 7680, 7866, 8280, 8740, 8832, 9120, 9216, 9728, 10488, 10944, 11040, 11520, 11776, 12160, 13110, 13248, 13680, 13984, 14592, 14720, 15360, 15732, 16560, 17480, 17664, 18240, 19456, 19665, 20976, 21888, 22080, 23040, 23552, 24320, 26220, 26496, 27360, 27968, 29184, 29440, 31464, 33120, 34960, 35328, 36480, 39330, 41952, 43776, 44160, 46080, 48640, 52440, 52992, 54720, 55936, 58368, 58880, 62928, 66240, 69920, 70656, 72960, 78660, 83904, 87552, 88320, 97280, 104880, 105984, 109440, 111872, 117760, 125856, 132480, 139840, 145920, 157320, 167808, 175104, 176640, 209760, 211968, 218880, 223744, 251712, 264960, 279680, 291840, 314640, 335616, 353280, 419520, 437760, 447488, 503424, 529920, 559360, 629280, 671232, 839040, 875520, 1006848, 1059840, 1118720, 1258560, 1342464, 1678080, 2013696, 2237440, 2517120, 3356160, 4027392, 5034240, 6712320, 10068480, 20136960]

約数ペア:

[(1, 20136960), (2, 10068480), (3, 6712320), (4, 5034240), (5, 4027392), (6, 3356160), (8, 2517120), (9, 2237440), (10, 2013696), (12, 1678080), (15, 1342464), (16, 1258560), (18, 1118720), (19, 1059840), (20, 1006848), (23, 875520), (24, 839040), (30, 671232), (32, 629280), (36, 559360), (38, 529920), (40, 503424), (45, 447488), (46, 437760), (48, 419520), (57, 353280), (60, 335616), (64, 314640), (69, 291840), (72, 279680), (76, 264960), (80, 251712), (90, 223744), (92, 218880), (95, 211968), (96, 209760), (114, 176640), (115, 175104), (120, 167808), (128, 157320), (138, 145920), (144, 139840), (152, 132480), (160, 125856), (171, 117760), (180, 111872), (184, 109440), (190, 105984), (192, 104880), (207, 97280), (228, 88320), (230, 87552), (240, 83904), (256, 78660), (276, 72960), (285, 70656), (288, 69920), (304, 66240), (320, 62928), (342, 58880), (345, 58368), (360, 55936), (368, 54720), (380, 52992), (384, 52440), (414, 48640), (437, 46080), (456, 44160), (460, 43776), (480, 41952), (512, 39330), (552, 36480), (570, 35328), (576, 34960), (608, 33120), (640, 31464), (684, 29440), (690, 29184), (720, 27968), (736, 27360), (760, 26496), (768, 26220), (828, 24320), (855, 23552), (874, 23040), (912, 22080), (920, 21888), (960, 20976), (1024, 19665), (1035, 19456), (1104, 18240), (1140, 17664), (1152, 17480), (1216, 16560), (1280, 15732), (1311, 15360), (1368, 14720), (1380, 14592), (1440, 13984), (1472, 13680), (1520, 13248), (1536, 13110), (1656, 12160), (1710, 11776), (1748, 11520), (1824, 11040), (1840, 10944), (1920, 10488), (2070, 9728), (2185, 9216), (2208, 9120), (2280, 8832), (2304, 8740), (2432, 8280), (2560, 7866), (2622, 7680), (2736, 7360), (2760, 7296), (2880, 6992), (2944, 6840), (3040, 6624), (3072, 6555), (3312, 6080), (3420, 5888), (3496, 5760), (3648, 5520), (3680, 5472), (3840, 5244), (3933, 5120), (4140, 4864), (4370, 4608), (4416, 4560)]