20199708

素因数分解:

$2^2\times 3^2\times {\mathrm{561103}}^1$

素因数の和:561113

約数の個数: 18

約数和(自身を含む): 51060464

約数和(自身を除く): 30860756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 561103, 1122206, 1683309, 2244412, 3366618, 5049927, 6733236, 10099854, 20199708]

約数ペア:

[(1, 20199708), (2, 10099854), (3, 6733236), (4, 5049927), (6, 3366618), (9, 2244412), (12, 1683309), (18, 1122206), (36, 561103)]