20164621444

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{209359}}^1$

素因数の和:209584

約数の個数: 36

約数和(自身を含む): 38982832000

約数和(自身を除く): 18818210556

約数列:

[1, 2, 4, 11, 22, 44, 121, 199, 242, 398, 484, 796, 2189, 4378, 8756, 24079, 48158, 96316, 209359, 418718, 837436, 2302949, 4605898, 9211796, 25332439, 41662441, 50664878, 83324882, 101329756, 166649764, 458286851, 916573702, 1833147404, 5041155361, 10082310722, 20164621444]

約数ペア:

[(1, 20164621444), (2, 10082310722), (4, 5041155361), (11, 1833147404), (22, 916573702), (44, 458286851), (121, 166649764), (199, 101329756), (242, 83324882), (398, 50664878), (484, 41662441), (796, 25332439), (2189, 9211796), (4378, 4605898), (8756, 2302949), (24079, 837436), (48158, 418718), (96316, 209359)]