20412928

素因数分解:

$2^9\times {\mathrm{39869}}^1$

素因数の和:39887

約数の個数: 20

約数和(自身を含む): 40787010

約数和(自身を除く): 20374082

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 39869, 79738, 159476, 318952, 637904, 1275808, 2551616, 5103232, 10206464, 20412928]

約数ペア:

[(1, 20412928), (2, 10206464), (4, 5103232), (8, 2551616), (16, 1275808), (32, 637904), (64, 318952), (128, 159476), (256, 79738), (512, 39869)]