20724847

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3917}}^1$

素因数の和:3978

約数の個数: 16

約数和(自身を含む): 25012512

約数和(自身を除く): 4287665

約数列:

[1, 11, 13, 37, 143, 407, 481, 3917, 5291, 43087, 50921, 144929, 560131, 1594219, 1884077, 20724847]

約数ペア:

[(1, 20724847), (11, 1884077), (13, 1594219), (37, 560131), (143, 144929), (407, 50921), (481, 43087), (3917, 5291)]