20529756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43867}}^1$

素因数の和:43890

約数の個数: 36

約数和(自身を含む): 55887832

約数和(自身を除く): 35358076

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43867, 87734, 131601, 175468, 263202, 394803, 526404, 570271, 789606, 1140542, 1579212, 1710813, 2281084, 3421626, 5132439, 6843252, 10264878, 20529756]

約数ペア:

[(1, 20529756), (2, 10264878), (3, 6843252), (4, 5132439), (6, 3421626), (9, 2281084), (12, 1710813), (13, 1579212), (18, 1140542), (26, 789606), (36, 570271), (39, 526404), (52, 394803), (78, 263202), (117, 175468), (156, 131601), (234, 87734), (468, 43867)]