20216928224

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{1993}}^1$

素因数の和:2692

約数の個数: 96

約数和(自身を含む): 43686306720

約数和(自身を除く): 23469378496

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 68, 116, 136, 232, 272, 464, 493, 544, 643, 928, 986, 1286, 1972, 1993, 2572, 3944, 3986, 5144, 7888, 7972, 10288, 10931, 15776, 15944, 18647, 20576, 21862, 31888, 33881, 37294, 43724, 57797, 63776, 67762, 74588, 87448, 115594, 135524, 149176, 174896, 231188, 271048, 298352, 316999, 349792, 462376, 542096, 596704, 633998, 924752, 982549, 1084192, 1267996, 1281499, 1849504, 1965098, 2535992, 2562998, 3930196, 5071984, 5125996, 7860392, 10143968, 10251992, 15720784, 20503984, 21785483, 31441568, 37163471, 41007968, 43570966, 74326942, 87141932, 148653884, 174283864, 297307768, 348567728, 594615536, 631779007, 697135456, 1189231072, 1263558014, 2527116028, 5054232056, 10108464112, 20216928224]

約数ペア:

[(1, 20216928224), (2, 10108464112), (4, 5054232056), (8, 2527116028), (16, 1263558014), (17, 1189231072), (29, 697135456), (32, 631779007), (34, 594615536), (58, 348567728), (68, 297307768), (116, 174283864), (136, 148653884), (232, 87141932), (272, 74326942), (464, 43570966), (493, 41007968), (544, 37163471), (643, 31441568), (928, 21785483), (986, 20503984), (1286, 15720784), (1972, 10251992), (1993, 10143968), (2572, 7860392), (3944, 5125996), (3986, 5071984), (5144, 3930196), (7888, 2562998), (7972, 2535992), (10288, 1965098), (10931, 1849504), (15776, 1281499), (15944, 1267996), (18647, 1084192), (20576, 982549), (21862, 924752), (31888, 633998), (33881, 596704), (37294, 542096), (43724, 462376), (57797, 349792), (63776, 316999), (67762, 298352), (74588, 271048), (87448, 231188), (115594, 174896), (135524, 149176)]