20789425488

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{521}}^1\times {\mathrm{4919}}^1$

素因数の和:5477

約数の個数: 120

約数和(自身を含む): 58278502080

約数和(自身を除く): 37489076592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 521, 624, 676, 1014, 1042, 1352, 1563, 2028, 2084, 2704, 3126, 4056, 4168, 4919, 6252, 6773, 8112, 8336, 9838, 12504, 13546, 14757, 19676, 20319, 25008, 27092, 29514, 39352, 40638, 54184, 59028, 63947, 78704, 81276, 88049, 108368, 118056, 127894, 162552, 176098, 191841, 236112, 255788, 264147, 325104, 352196, 383682, 511576, 528294, 704392, 767364, 831311, 1023152, 1056588, 1408784, 1534728, 1662622, 2113176, 2493933, 2562799, 3069456, 3325244, 4226352, 4987866, 5125598, 6650488, 7688397, 9975732, 10251196, 13300976, 15376794, 19951464, 20502392, 30753588, 33316387, 39902928, 41004784, 61507176, 66632774, 99949161, 123014352, 133265548, 199898322, 266531096, 399796644, 433113031, 533062192, 799593288, 866226062, 1299339093, 1599186576, 1732452124, 2598678186, 3464904248, 5197356372, 6929808496, 10394712744, 20789425488]

約数ペア:

[(1, 20789425488), (2, 10394712744), (3, 6929808496), (4, 5197356372), (6, 3464904248), (8, 2598678186), (12, 1732452124), (13, 1599186576), (16, 1299339093), (24, 866226062), (26, 799593288), (39, 533062192), (48, 433113031), (52, 399796644), (78, 266531096), (104, 199898322), (156, 133265548), (169, 123014352), (208, 99949161), (312, 66632774), (338, 61507176), (507, 41004784), (521, 39902928), (624, 33316387), (676, 30753588), (1014, 20502392), (1042, 19951464), (1352, 15376794), (1563, 13300976), (2028, 10251196), (2084, 9975732), (2704, 7688397), (3126, 6650488), (4056, 5125598), (4168, 4987866), (4919, 4226352), (6252, 3325244), (6773, 3069456), (8112, 2562799), (8336, 2493933), (9838, 2113176), (12504, 1662622), (13546, 1534728), (14757, 1408784), (19676, 1056588), (20319, 1023152), (25008, 831311), (27092, 767364), (29514, 704392), (39352, 528294), (40638, 511576), (54184, 383682), (59028, 352196), (63947, 325104), (78704, 264147), (81276, 255788), (88049, 236112), (108368, 191841), (118056, 176098), (127894, 162552)]