20215840480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{6833}}^1$

素因数の和:6941

約数の個数: 144

約数和(自身を含む): 53411318352

約数和(自身を除く): 33195477872

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 80, 82, 88, 110, 160, 164, 176, 205, 220, 328, 352, 410, 440, 451, 656, 820, 880, 902, 1312, 1640, 1681, 1760, 1804, 2255, 3280, 3362, 3608, 4510, 6560, 6724, 6833, 7216, 8405, 9020, 13448, 13666, 14432, 16810, 18040, 18491, 26896, 27332, 33620, 34165, 36080, 36982, 53792, 54664, 67240, 68330, 72160, 73964, 75163, 92455, 109328, 134480, 136660, 147928, 150326, 184910, 218656, 268960, 273320, 280153, 295856, 300652, 369820, 375815, 546640, 560306, 591712, 601304, 739640, 751630, 1093280, 1120612, 1202608, 1400765, 1479280, 1503260, 2241224, 2405216, 2801530, 2958560, 3006520, 3081683, 4482448, 5603060, 6013040, 6163366, 8964896, 11206120, 11486273, 12026080, 12326732, 15408415, 22412240, 22972546, 24653464, 30816830, 44824480, 45945092, 49306928, 57431365, 61633660, 91890184, 98613856, 114862730, 123267320, 126349003, 183780368, 229725460, 246534640, 252698006, 367560736, 459450920, 493069280, 505396012, 631745015, 918901840, 1010792024, 1263490030, 1837803680, 2021584048, 2526980060, 4043168096, 5053960120, 10107920240, 20215840480]

約数ペア:

[(1, 20215840480), (2, 10107920240), (4, 5053960120), (5, 4043168096), (8, 2526980060), (10, 2021584048), (11, 1837803680), (16, 1263490030), (20, 1010792024), (22, 918901840), (32, 631745015), (40, 505396012), (41, 493069280), (44, 459450920), (55, 367560736), (80, 252698006), (82, 246534640), (88, 229725460), (110, 183780368), (160, 126349003), (164, 123267320), (176, 114862730), (205, 98613856), (220, 91890184), (328, 61633660), (352, 57431365), (410, 49306928), (440, 45945092), (451, 44824480), (656, 30816830), (820, 24653464), (880, 22972546), (902, 22412240), (1312, 15408415), (1640, 12326732), (1681, 12026080), (1760, 11486273), (1804, 11206120), (2255, 8964896), (3280, 6163366), (3362, 6013040), (3608, 5603060), (4510, 4482448), (6560, 3081683), (6724, 3006520), (6833, 2958560), (7216, 2801530), (8405, 2405216), (9020, 2241224), (13448, 1503260), (13666, 1479280), (14432, 1400765), (16810, 1202608), (18040, 1120612), (18491, 1093280), (26896, 751630), (27332, 739640), (33620, 601304), (34165, 591712), (36080, 560306), (36982, 546640), (53792, 375815), (54664, 369820), (67240, 300652), (68330, 295856), (72160, 280153), (73964, 273320), (75163, 268960), (92455, 218656), (109328, 184910), (134480, 150326), (136660, 147928)]