20835456

素因数分解:

$2^7\times 3^1\times {\mathrm{29}}^1\times {\mathrm{1871}}^1$

素因数の和:1917

約数の個数: 64

約数和(自身を含む): 57283200

約数和(自身を除く): 36447744

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 348, 384, 464, 696, 928, 1392, 1856, 1871, 2784, 3712, 3742, 5568, 5613, 7484, 11136, 11226, 14968, 22452, 29936, 44904, 54259, 59872, 89808, 108518, 119744, 162777, 179616, 217036, 239488, 325554, 359232, 434072, 651108, 718464, 868144, 1302216, 1736288, 2604432, 3472576, 5208864, 6945152, 10417728, 20835456]

約数ペア:

[(1, 20835456), (2, 10417728), (3, 6945152), (4, 5208864), (6, 3472576), (8, 2604432), (12, 1736288), (16, 1302216), (24, 868144), (29, 718464), (32, 651108), (48, 434072), (58, 359232), (64, 325554), (87, 239488), (96, 217036), (116, 179616), (128, 162777), (174, 119744), (192, 108518), (232, 89808), (348, 59872), (384, 54259), (464, 44904), (696, 29936), (928, 22452), (1392, 14968), (1856, 11226), (1871, 11136), (2784, 7484), (3712, 5613), (3742, 5568)]