20694435456

素因数分解:

$2^7\times 3^1\times {\mathrm{643}}^1\times {\mathrm{83813}}^1$

素因数の和:84473

約数の個数: 64

約数和(自身を含む): 55055740320

約数和(自身を除く): 34361304864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 643, 1286, 1929, 2572, 3858, 5144, 7716, 10288, 15432, 20576, 30864, 41152, 61728, 82304, 83813, 123456, 167626, 246912, 251439, 335252, 502878, 670504, 1005756, 1341008, 2011512, 2682016, 4023024, 5364032, 8046048, 10728064, 16092096, 32184192, 53891759, 107783518, 161675277, 215567036, 323350554, 431134072, 646701108, 862268144, 1293402216, 1724536288, 2586804432, 3449072576, 5173608864, 6898145152, 10347217728, 20694435456]

約数ペア:

[(1, 20694435456), (2, 10347217728), (3, 6898145152), (4, 5173608864), (6, 3449072576), (8, 2586804432), (12, 1724536288), (16, 1293402216), (24, 862268144), (32, 646701108), (48, 431134072), (64, 323350554), (96, 215567036), (128, 161675277), (192, 107783518), (384, 53891759), (643, 32184192), (1286, 16092096), (1929, 10728064), (2572, 8046048), (3858, 5364032), (5144, 4023024), (7716, 2682016), (10288, 2011512), (15432, 1341008), (20576, 1005756), (30864, 670504), (41152, 502878), (61728, 335252), (82304, 251439), (83813, 246912), (123456, 167626)]