20747104

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4027}}^1$

素因数の和:4067

約数の個数: 48

約数和(自身を含む): 48722688

約数和(自身を除く): 27975584

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 4027, 5152, 8054, 16108, 28189, 32216, 56378, 64432, 92621, 112756, 128864, 185242, 225512, 370484, 451024, 648347, 740968, 902048, 1296694, 1481936, 2593388, 2963872, 5186776, 10373552, 20747104]

約数ペア:

[(1, 20747104), (2, 10373552), (4, 5186776), (7, 2963872), (8, 2593388), (14, 1481936), (16, 1296694), (23, 902048), (28, 740968), (32, 648347), (46, 451024), (56, 370484), (92, 225512), (112, 185242), (161, 128864), (184, 112756), (224, 92621), (322, 64432), (368, 56378), (644, 32216), (736, 28189), (1288, 16108), (2576, 8054), (4027, 5152)]