20178425344

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{511831}}^1$

素因数の和:511867

約数の個数: 80

約数和(自身を含む): 50265997056

約数和(自身を除く): 30087571712

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 512, 616, 704, 896, 1232, 1408, 1792, 2464, 2816, 3584, 4928, 5632, 9856, 19712, 39424, 511831, 1023662, 2047324, 3582817, 4094648, 5630141, 7165634, 8189296, 11260282, 14331268, 16378592, 22520564, 28662536, 32757184, 39410987, 45041128, 57325072, 65514368, 78821974, 90082256, 114650144, 131028736, 157643948, 180164512, 229300288, 262057472, 315287896, 360329024, 458600576, 630575792, 720658048, 917201152, 1261151584, 1441316096, 1834402304, 2522303168, 2882632192, 5044606336, 10089212672, 20178425344]

約数ペア:

[(1, 20178425344), (2, 10089212672), (4, 5044606336), (7, 2882632192), (8, 2522303168), (11, 1834402304), (14, 1441316096), (16, 1261151584), (22, 917201152), (28, 720658048), (32, 630575792), (44, 458600576), (56, 360329024), (64, 315287896), (77, 262057472), (88, 229300288), (112, 180164512), (128, 157643948), (154, 131028736), (176, 114650144), (224, 90082256), (256, 78821974), (308, 65514368), (352, 57325072), (448, 45041128), (512, 39410987), (616, 32757184), (704, 28662536), (896, 22520564), (1232, 16378592), (1408, 14331268), (1792, 11260282), (2464, 8189296), (2816, 7165634), (3584, 5630141), (4928, 4094648), (5632, 3582817), (9856, 2047324), (19712, 1023662), (39424, 511831)]