20297216

素因数分解:

$2^9\times {\mathrm{29}}^1\times {\mathrm{1367}}^1$

素因数の和:1414

約数の個数: 40

約数和(自身を含む): 41983920

約数和(自身を除く): 21686704

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 512, 928, 1367, 1856, 2734, 3712, 5468, 7424, 10936, 14848, 21872, 39643, 43744, 79286, 87488, 158572, 174976, 317144, 349952, 634288, 699904, 1268576, 2537152, 5074304, 10148608, 20297216]

約数ペア:

[(1, 20297216), (2, 10148608), (4, 5074304), (8, 2537152), (16, 1268576), (29, 699904), (32, 634288), (58, 349952), (64, 317144), (116, 174976), (128, 158572), (232, 87488), (256, 79286), (464, 43744), (512, 39643), (928, 21872), (1367, 14848), (1856, 10936), (2734, 7424), (3712, 5468)]