20804563136

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{654067}}^1$

素因数の和:654157

約数の個数: 56

約数和(自身を含む): 47846382336

約数和(自身を除く): 27041819200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 568, 994, 1136, 1988, 2272, 3976, 4544, 7952, 15904, 31808, 654067, 1308134, 2616268, 4578469, 5232536, 9156938, 10465072, 18313876, 20930144, 36627752, 41860288, 46438757, 73255504, 92877514, 146511008, 185755028, 293022016, 325071299, 371510056, 650142598, 743020112, 1300285196, 1486040224, 2600570392, 2972080448, 5201140784, 10402281568, 20804563136]

約数ペア:

[(1, 20804563136), (2, 10402281568), (4, 5201140784), (7, 2972080448), (8, 2600570392), (14, 1486040224), (16, 1300285196), (28, 743020112), (32, 650142598), (56, 371510056), (64, 325071299), (71, 293022016), (112, 185755028), (142, 146511008), (224, 92877514), (284, 73255504), (448, 46438757), (497, 41860288), (568, 36627752), (994, 20930144), (1136, 18313876), (1988, 10465072), (2272, 9156938), (3976, 5232536), (4544, 4578469), (7952, 2616268), (15904, 1308134), (31808, 654067)]