20482048

素因数分解:

$2^{11}\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 41818140

約数和(自身を除く): 21336092

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 137, 146, 256, 274, 292, 512, 548, 584, 1024, 1096, 1168, 2048, 2192, 2336, 4384, 4672, 8768, 9344, 10001, 17536, 18688, 20002, 35072, 37376, 40004, 70144, 74752, 80008, 140288, 149504, 160016, 280576, 320032, 640064, 1280128, 2560256, 5120512, 10241024, 20482048]

約数ペア:

[(1, 20482048), (2, 10241024), (4, 5120512), (8, 2560256), (16, 1280128), (32, 640064), (64, 320032), (73, 280576), (128, 160016), (137, 149504), (146, 140288), (256, 80008), (274, 74752), (292, 70144), (512, 40004), (548, 37376), (584, 35072), (1024, 20002), (1096, 18688), (1168, 17536), (2048, 10001), (2192, 9344), (2336, 8768), (4384, 4672)]