20544047368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197538917}}^1$

素因数の和:197538936

約数の個数: 16

約数和(自身を含む): 41483172780

約数和(自身を除く): 20939125412

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197538917, 395077834, 790155668, 1580311336, 2568005921, 5136011842, 10272023684, 20544047368]

約数ペア:

[(1, 20544047368), (2, 10272023684), (4, 5136011842), (8, 2568005921), (13, 1580311336), (26, 790155668), (52, 395077834), (104, 197538917)]