20804577152

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{1723}}^1$

素因数の和:1964

約数の個数: 128

約数和(自身を含む): 45579801600

約数和(自身を除く): 24775224448

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 179, 248, 272, 358, 496, 527, 544, 716, 992, 1054, 1088, 1432, 1723, 1984, 2108, 2176, 2864, 3043, 3446, 3968, 4216, 5549, 5728, 6086, 6892, 8432, 11098, 11456, 12172, 13784, 16864, 22196, 22912, 24344, 27568, 29291, 33728, 44392, 48688, 53413, 55136, 58582, 67456, 88784, 94333, 97376, 106826, 110272, 117164, 177568, 188666, 194752, 213652, 220544, 234328, 308417, 355136, 377332, 389504, 427304, 468656, 616834, 710272, 754664, 854608, 908021, 937312, 1233668, 1509328, 1709216, 1816042, 1874624, 2467336, 3018656, 3418432, 3632084, 3749248, 4934672, 5243089, 6037312, 6836864, 7264168, 9560927, 9869344, 10486178, 12074624, 14528336, 19121854, 19738688, 20972356, 29056672, 38243708, 39477376, 41944712, 58113344, 76487416, 83889424, 116226688, 152974832, 162535759, 167778848, 305949664, 325071518, 335557696, 611899328, 650143036, 671115392, 1223798656, 1300286072, 2600572144, 5201144288, 10402288576, 20804577152]

約数ペア:

[(1, 20804577152), (2, 10402288576), (4, 5201144288), (8, 2600572144), (16, 1300286072), (17, 1223798656), (31, 671115392), (32, 650143036), (34, 611899328), (62, 335557696), (64, 325071518), (68, 305949664), (124, 167778848), (128, 162535759), (136, 152974832), (179, 116226688), (248, 83889424), (272, 76487416), (358, 58113344), (496, 41944712), (527, 39477376), (544, 38243708), (716, 29056672), (992, 20972356), (1054, 19738688), (1088, 19121854), (1432, 14528336), (1723, 12074624), (1984, 10486178), (2108, 9869344), (2176, 9560927), (2864, 7264168), (3043, 6836864), (3446, 6037312), (3968, 5243089), (4216, 4934672), (5549, 3749248), (5728, 3632084), (6086, 3418432), (6892, 3018656), (8432, 2467336), (11098, 1874624), (11456, 1816042), (12172, 1709216), (13784, 1509328), (16864, 1233668), (22196, 937312), (22912, 908021), (24344, 854608), (27568, 754664), (29291, 710272), (33728, 616834), (44392, 468656), (48688, 427304), (53413, 389504), (55136, 377332), (58582, 355136), (67456, 308417), (88784, 234328), (94333, 220544), (97376, 213652), (106826, 194752), (110272, 188666), (117164, 177568)]