20950784

素因数分解:

$2^8\times {\mathrm{81839}}^1$

素因数の和:81855

約数の個数: 18

約数和(自身を含む): 41820240

約数和(自身を除く): 20869456

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 81839, 163678, 327356, 654712, 1309424, 2618848, 5237696, 10475392, 20950784]

約数ペア:

[(1, 20950784), (2, 10475392), (4, 5237696), (8, 2618848), (16, 1309424), (32, 654712), (64, 327356), (128, 163678), (256, 81839)]