20468736

素因数分解:

$2^{10}\times 3^2\times {\mathrm{2221}}^1$

素因数の和:2247

約数の個数: 66

約数和(自身を含む): 59129642

約数和(自身を除く): 38660906

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1536, 2221, 2304, 3072, 4442, 4608, 6663, 8884, 9216, 13326, 17768, 19989, 26652, 35536, 39978, 53304, 71072, 79956, 106608, 142144, 159912, 213216, 284288, 319824, 426432, 568576, 639648, 852864, 1137152, 1279296, 1705728, 2274304, 2558592, 3411456, 5117184, 6822912, 10234368, 20468736]

約数ペア:

[(1, 20468736), (2, 10234368), (3, 6822912), (4, 5117184), (6, 3411456), (8, 2558592), (9, 2274304), (12, 1705728), (16, 1279296), (18, 1137152), (24, 852864), (32, 639648), (36, 568576), (48, 426432), (64, 319824), (72, 284288), (96, 213216), (128, 159912), (144, 142144), (192, 106608), (256, 79956), (288, 71072), (384, 53304), (512, 39978), (576, 35536), (768, 26652), (1024, 19989), (1152, 17768), (1536, 13326), (2221, 9216), (2304, 8884), (3072, 6663), (4442, 4608)]