20199803128

素因数分解:

$2^3\times {\mathrm{39551}}^1\times {\mathrm{63841}}^1$

素因数の和:103398

約数の個数: 16

約数和(自身を含む): 37876181760

約数和(自身を除く): 17676378632

約数列:

[1, 2, 4, 8, 39551, 63841, 79102, 127682, 158204, 255364, 316408, 510728, 2524975391, 5049950782, 10099901564, 20199803128]

約数ペア:

[(1, 20199803128), (2, 10099901564), (4, 5049950782), (8, 2524975391), (39551, 510728), (63841, 316408), (79102, 255364), (127682, 158204)]