20161664

素因数分解:

$2^7\times {\mathrm{157513}}^1$

素因数の和:157527

約数の個数: 16

約数和(自身を含む): 40166070

約数和(自身を除く): 20004406

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157513, 315026, 630052, 1260104, 2520208, 5040416, 10080832, 20161664]

約数ペア:

[(1, 20161664), (2, 10080832), (4, 5040416), (8, 2520208), (16, 1260104), (32, 630052), (64, 315026), (128, 157513)]