20850869

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 23442048

約数和(自身を除く): 2591179

約数列:

[1, 13, 37, 67, 481, 647, 871, 2479, 8411, 23939, 32227, 43349, 311207, 563537, 1603913, 20850869]

約数ペア:

[(1, 20850869), (13, 1603913), (37, 563537), (67, 311207), (481, 43349), (647, 32227), (871, 23939), (2479, 8411)]