20143318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20939}}^1$

素因数の和:20991

約数の個数: 16

約数和(自身を含む): 33420240

約数和(自身を除く): 13276922

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 20939, 41878, 272207, 544414, 774743, 1549486, 10071659, 20143318]

約数ペア:

[(1, 20143318), (2, 10071659), (13, 1549486), (26, 774743), (37, 544414), (74, 272207), (481, 41878), (962, 20939)]