20608417024

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{503}}^1\times {\mathrm{947}}^1$

素因数の和:1492

約数の個数: 108

約数和(自身を含む): 44679763296

約数和(自身を除く): 24071346272

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 503, 676, 832, 947, 1006, 1352, 1664, 1894, 2012, 2704, 3328, 3788, 4024, 5408, 6539, 7576, 8048, 10816, 12311, 13078, 15152, 16096, 21632, 24622, 26156, 30304, 32192, 43264, 49244, 52312, 60608, 64384, 85007, 98488, 104624, 121216, 128768, 160043, 170014, 196976, 209248, 242432, 320086, 340028, 393952, 418496, 476341, 640172, 680056, 787904, 836992, 952682, 1280344, 1360112, 1575808, 1673984, 1905364, 2560688, 2720224, 3151616, 3810728, 5121376, 5440448, 6192433, 7621456, 10242752, 10880896, 12384866, 15242912, 20485504, 21761792, 24769732, 30485824, 40971008, 49539464, 60971648, 80501629, 99078928, 121943296, 161003258, 198157856, 322006516, 396315712, 644013032, 792631424, 1288026064, 1585262848, 2576052128, 5152104256, 10304208512, 20608417024]

約数ペア:

[(1, 20608417024), (2, 10304208512), (4, 5152104256), (8, 2576052128), (13, 1585262848), (16, 1288026064), (26, 792631424), (32, 644013032), (52, 396315712), (64, 322006516), (104, 198157856), (128, 161003258), (169, 121943296), (208, 99078928), (256, 80501629), (338, 60971648), (416, 49539464), (503, 40971008), (676, 30485824), (832, 24769732), (947, 21761792), (1006, 20485504), (1352, 15242912), (1664, 12384866), (1894, 10880896), (2012, 10242752), (2704, 7621456), (3328, 6192433), (3788, 5440448), (4024, 5121376), (5408, 3810728), (6539, 3151616), (7576, 2720224), (8048, 2560688), (10816, 1905364), (12311, 1673984), (13078, 1575808), (15152, 1360112), (16096, 1280344), (21632, 952682), (24622, 836992), (26156, 787904), (30304, 680056), (32192, 640172), (43264, 476341), (49244, 418496), (52312, 393952), (60608, 340028), (64384, 320086), (85007, 242432), (98488, 209248), (104624, 196976), (121216, 170014), (128768, 160043)]