20187392

素因数分解:

$2^8\times {\mathrm{78857}}^1$

素因数の和:78873

約数の個数: 18

約数和(自身を含む): 40296438

約数和(自身を除く): 20109046

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 78857, 157714, 315428, 630856, 1261712, 2523424, 5046848, 10093696, 20187392]

約数ペア:

[(1, 20187392), (2, 10093696), (4, 5046848), (8, 2523424), (16, 1261712), (32, 630856), (64, 315428), (128, 157714), (256, 78857)]