20198844

素因数分解:

$2^2\times 3^2\times {\mathrm{561079}}^1$

素因数の和:561089

約数の個数: 18

約数和(自身を含む): 51058280

約数和(自身を除く): 30859436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 561079, 1122158, 1683237, 2244316, 3366474, 5049711, 6732948, 10099422, 20198844]

約数ペア:

[(1, 20198844), (2, 10099422), (3, 6732948), (4, 5049711), (6, 3366474), (9, 2244316), (12, 1683237), (18, 1122158), (36, 561079)]