20198556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{80153}}^1$

素因数の和:80170

約数の個数: 36

約数和(自身を含む): 58352112

約数和(自身を除く): 38153556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 80153, 160306, 240459, 320612, 480918, 561071, 721377, 961836, 1122142, 1442754, 1683213, 2244284, 2885508, 3366426, 5049639, 6732852, 10099278, 20198556]

約数ペア:

[(1, 20198556), (2, 10099278), (3, 6732852), (4, 5049639), (6, 3366426), (7, 2885508), (9, 2244284), (12, 1683213), (14, 1442754), (18, 1122142), (21, 961836), (28, 721377), (36, 561071), (42, 480918), (63, 320612), (84, 240459), (126, 160306), (252, 80153)]