20678656

素因数分解:

$2^{11}\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 43243200

約数和(自身を除く): 22564544

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 439, 512, 736, 878, 1024, 1472, 1756, 2048, 2944, 3512, 5888, 7024, 10097, 11776, 14048, 20194, 23552, 28096, 40388, 47104, 56192, 80776, 112384, 161552, 224768, 323104, 449536, 646208, 899072, 1292416, 2584832, 5169664, 10339328, 20678656]

約数ペア:

[(1, 20678656), (2, 10339328), (4, 5169664), (8, 2584832), (16, 1292416), (23, 899072), (32, 646208), (46, 449536), (64, 323104), (92, 224768), (128, 161552), (184, 112384), (256, 80776), (368, 56192), (439, 47104), (512, 40388), (736, 28096), (878, 23552), (1024, 20194), (1472, 14048), (1756, 11776), (2048, 10097), (2944, 7024), (3512, 5888)]