20742144

素因数分解:

$2^{15}\times 3^1\times {\mathrm{211}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 55573680

約数和(自身を除く): 34831536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 211, 256, 384, 422, 512, 633, 768, 844, 1024, 1266, 1536, 1688, 2048, 2532, 3072, 3376, 4096, 5064, 6144, 6752, 8192, 10128, 12288, 13504, 16384, 20256, 24576, 27008, 32768, 40512, 49152, 54016, 81024, 98304, 108032, 162048, 216064, 324096, 432128, 648192, 864256, 1296384, 1728512, 2592768, 3457024, 5185536, 6914048, 10371072, 20742144]

約数ペア:

[(1, 20742144), (2, 10371072), (3, 6914048), (4, 5185536), (6, 3457024), (8, 2592768), (12, 1728512), (16, 1296384), (24, 864256), (32, 648192), (48, 432128), (64, 324096), (96, 216064), (128, 162048), (192, 108032), (211, 98304), (256, 81024), (384, 54016), (422, 49152), (512, 40512), (633, 32768), (768, 27008), (844, 24576), (1024, 20256), (1266, 16384), (1536, 13504), (1688, 12288), (2048, 10128), (2532, 8192), (3072, 6752), (3376, 6144), (4096, 5064)]