20050595840

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89003}}^1$

素因数の和:89043

約数の個数: 104

約数和(自身を含む): 52490287008

約数和(自身を除く): 32439691168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1024, 1280, 1408, 1760, 2048, 2560, 2816, 3520, 4096, 5120, 5632, 7040, 10240, 11264, 14080, 20480, 22528, 28160, 45056, 56320, 89003, 112640, 178006, 225280, 356012, 445015, 712024, 890030, 979033, 1424048, 1780060, 1958066, 2848096, 3560120, 3916132, 4895165, 5696192, 7120240, 7832264, 9790330, 11392384, 14240480, 15664528, 19580660, 22784768, 28480960, 31329056, 39161320, 45569536, 56961920, 62658112, 78322640, 91139072, 113923840, 125316224, 156645280, 182278144, 227847680, 250632448, 313290560, 364556288, 455695360, 501264896, 626581120, 911390720, 1002529792, 1253162240, 1822781440, 2005059584, 2506324480, 4010119168, 5012648960, 10025297920, 20050595840]

約数ペア:

[(1, 20050595840), (2, 10025297920), (4, 5012648960), (5, 4010119168), (8, 2506324480), (10, 2005059584), (11, 1822781440), (16, 1253162240), (20, 1002529792), (22, 911390720), (32, 626581120), (40, 501264896), (44, 455695360), (55, 364556288), (64, 313290560), (80, 250632448), (88, 227847680), (110, 182278144), (128, 156645280), (160, 125316224), (176, 113923840), (220, 91139072), (256, 78322640), (320, 62658112), (352, 56961920), (440, 45569536), (512, 39161320), (640, 31329056), (704, 28480960), (880, 22784768), (1024, 19580660), (1280, 15664528), (1408, 14240480), (1760, 11392384), (2048, 9790330), (2560, 7832264), (2816, 7120240), (3520, 5696192), (4096, 4895165), (5120, 3916132), (5632, 3560120), (7040, 2848096), (10240, 1958066), (11264, 1780060), (14080, 1424048), (20480, 979033), (22528, 890030), (28160, 712024), (45056, 445015), (56320, 356012), (89003, 225280), (112640, 178006)]