20831531520

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{10009}}^1$

素因数の和:10306

約数の個数: 160

約数和(自身を含む): 66848221440

約数和(自身を除く): 46016689920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 271, 320, 384, 480, 512, 542, 640, 768, 813, 960, 1084, 1280, 1355, 1536, 1626, 1920, 2168, 2560, 2710, 3252, 3840, 4065, 4336, 5420, 6504, 7680, 8130, 8672, 10009, 10840, 13008, 16260, 17344, 20018, 21680, 26016, 30027, 32520, 34688, 40036, 43360, 50045, 52032, 60054, 65040, 69376, 80072, 86720, 100090, 104064, 120108, 130080, 138752, 150135, 160144, 173440, 200180, 208128, 240216, 260160, 300270, 320288, 346880, 400360, 416256, 480432, 520320, 600540, 640576, 693760, 800720, 960864, 1040640, 1201080, 1281152, 1601440, 1921728, 2081280, 2402160, 2562304, 2712439, 3202880, 3843456, 4804320, 5124608, 5424878, 6405760, 7686912, 8137317, 9608640, 10849756, 12811520, 13562195, 15373824, 16274634, 19217280, 21699512, 25623040, 27124390, 32549268, 38434560, 40686585, 43399024, 54248780, 65098536, 76869120, 81373170, 86798048, 108497560, 130197072, 162746340, 173596096, 216995120, 260394144, 325492680, 347192192, 433990240, 520788288, 650985360, 694384384, 867980480, 1041576576, 1301970720, 1388768768, 1735960960, 2083153152, 2603941440, 3471921920, 4166306304, 5207882880, 6943843840, 10415765760, 20831531520]

約数ペア:

[(1, 20831531520), (2, 10415765760), (3, 6943843840), (4, 5207882880), (5, 4166306304), (6, 3471921920), (8, 2603941440), (10, 2083153152), (12, 1735960960), (15, 1388768768), (16, 1301970720), (20, 1041576576), (24, 867980480), (30, 694384384), (32, 650985360), (40, 520788288), (48, 433990240), (60, 347192192), (64, 325492680), (80, 260394144), (96, 216995120), (120, 173596096), (128, 162746340), (160, 130197072), (192, 108497560), (240, 86798048), (256, 81373170), (271, 76869120), (320, 65098536), (384, 54248780), (480, 43399024), (512, 40686585), (542, 38434560), (640, 32549268), (768, 27124390), (813, 25623040), (960, 21699512), (1084, 19217280), (1280, 16274634), (1355, 15373824), (1536, 13562195), (1626, 12811520), (1920, 10849756), (2168, 9608640), (2560, 8137317), (2710, 7686912), (3252, 6405760), (3840, 5424878), (4065, 5124608), (4336, 4804320), (5420, 3843456), (6504, 3202880), (7680, 2712439), (8130, 2562304), (8672, 2402160), (10009, 2081280), (10840, 1921728), (13008, 1601440), (16260, 1281152), (17344, 1201080), (20018, 1040640), (21680, 960864), (26016, 800720), (30027, 693760), (32520, 640576), (34688, 600540), (40036, 520320), (43360, 480432), (50045, 416256), (52032, 400360), (60054, 346880), (65040, 320288), (69376, 300270), (80072, 260160), (86720, 240216), (100090, 208128), (104064, 200180), (120108, 173440), (130080, 160144), (138752, 150135)]