20491648

素因数分解:

$2^7\times {\mathrm{160091}}^1$

素因数の和:160105

約数の個数: 16

約数和(自身を含む): 40823460

約数和(自身を除く): 20331812

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 160091, 320182, 640364, 1280728, 2561456, 5122912, 10245824, 20491648]

約数ペア:

[(1, 20491648), (2, 10245824), (4, 5122912), (8, 2561456), (16, 1280728), (32, 640364), (64, 320182), (128, 160091)]