20123694784

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{11003}}^1$

素因数の和:11114

約数の個数: 84

約数和(自身を含む): 43342313112

約数和(自身を除く): 23218618328

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 64, 68, 82, 136, 164, 272, 328, 544, 656, 697, 1088, 1312, 1394, 1681, 2624, 2788, 3362, 5576, 6724, 11003, 11152, 13448, 22006, 22304, 26896, 28577, 44012, 44608, 53792, 57154, 88024, 107584, 114308, 176048, 187051, 228616, 352096, 374102, 451123, 457232, 704192, 748204, 902246, 914464, 1496408, 1804492, 1828928, 2992816, 3608984, 5985632, 7217968, 7669091, 11971264, 14435936, 15338182, 18496043, 28871872, 30676364, 36992086, 61352728, 73984172, 122705456, 147968344, 245410912, 295936688, 314432731, 490821824, 591873376, 628865462, 1183746752, 1257730924, 2515461848, 5030923696, 10061847392, 20123694784]

約数ペア:

[(1, 20123694784), (2, 10061847392), (4, 5030923696), (8, 2515461848), (16, 1257730924), (17, 1183746752), (32, 628865462), (34, 591873376), (41, 490821824), (64, 314432731), (68, 295936688), (82, 245410912), (136, 147968344), (164, 122705456), (272, 73984172), (328, 61352728), (544, 36992086), (656, 30676364), (697, 28871872), (1088, 18496043), (1312, 15338182), (1394, 14435936), (1681, 11971264), (2624, 7669091), (2788, 7217968), (3362, 5985632), (5576, 3608984), (6724, 2992816), (11003, 1828928), (11152, 1804492), (13448, 1496408), (22006, 914464), (22304, 902246), (26896, 748204), (28577, 704192), (44012, 457232), (44608, 451123), (53792, 374102), (57154, 352096), (88024, 228616), (107584, 187051), (114308, 176048)]