20199492

素因数分解:

$2^2\times 3^2\times {\mathrm{561097}}^1$

素因数の和:561107

約数の個数: 18

約数和(自身を含む): 51059918

約数和(自身を除く): 30860426

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 561097, 1122194, 1683291, 2244388, 3366582, 5049873, 6733164, 10099746, 20199492]

約数ペア:

[(1, 20199492), (2, 10099746), (3, 6733164), (4, 5049873), (6, 3366582), (9, 2244388), (12, 1683291), (18, 1122194), (36, 561097)]