20123392

素因数分解:

$2^8\times {\mathrm{78607}}^1$

素因数の和:78623

約数の個数: 18

約数和(自身を含む): 40168688

約数和(自身を除く): 20045296

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 78607, 157214, 314428, 628856, 1257712, 2515424, 5030848, 10061696, 20123392]

約数ペア:

[(1, 20123392), (2, 10061696), (4, 5030848), (8, 2515424), (16, 1257712), (32, 628856), (64, 314428), (128, 157214), (256, 78607)]