20173749856

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{4409}}^1$

素因数の和:5096

約数の個数: 96

約数和(自身を含む): 45368527680

約数和(自身を除く): 25194777824

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 647, 884, 1294, 1768, 2588, 3536, 4409, 5176, 7072, 8411, 8818, 10352, 10999, 16822, 17636, 20704, 21998, 33644, 35272, 43996, 57317, 67288, 70544, 74953, 87992, 114634, 134576, 141088, 142987, 149906, 175984, 229268, 269152, 285974, 299812, 351968, 458536, 571948, 599624, 917072, 974389, 1143896, 1199248, 1834144, 1948778, 2287792, 2398496, 2852623, 3897556, 4575584, 5705246, 7795112, 11410492, 15590224, 22820984, 31180448, 37084099, 45641968, 48494591, 74168198, 91283936, 96989182, 148336396, 193978364, 296672792, 387956728, 593345584, 630429683, 775913456, 1186691168, 1260859366, 1551826912, 2521718732, 5043437464, 10086874928, 20173749856]

約数ペア:

[(1, 20173749856), (2, 10086874928), (4, 5043437464), (8, 2521718732), (13, 1551826912), (16, 1260859366), (17, 1186691168), (26, 775913456), (32, 630429683), (34, 593345584), (52, 387956728), (68, 296672792), (104, 193978364), (136, 148336396), (208, 96989182), (221, 91283936), (272, 74168198), (416, 48494591), (442, 45641968), (544, 37084099), (647, 31180448), (884, 22820984), (1294, 15590224), (1768, 11410492), (2588, 7795112), (3536, 5705246), (4409, 4575584), (5176, 3897556), (7072, 2852623), (8411, 2398496), (8818, 2287792), (10352, 1948778), (10999, 1834144), (16822, 1199248), (17636, 1143896), (20704, 974389), (21998, 917072), (33644, 599624), (35272, 571948), (43996, 458536), (57317, 351968), (67288, 299812), (70544, 285974), (74953, 269152), (87992, 229268), (114634, 175984), (134576, 149906), (141088, 142987)]