20704256

素因数分解:

$2^{10}\times {\mathrm{20219}}^1$

素因数の和:20239

約数の個数: 22

約数和(自身を含む): 41390340

約数和(自身を除く): 20686084

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20219, 40438, 80876, 161752, 323504, 647008, 1294016, 2588032, 5176064, 10352128, 20704256]

約数ペア:

[(1, 20704256), (2, 10352128), (4, 5176064), (8, 2588032), (16, 1294016), (32, 647008), (64, 323504), (128, 161752), (256, 80876), (512, 40438), (1024, 20219)]