20899305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{66347}}^1$

素因数の和:66365

約数の個数: 24

約数和(自身を含む): 41401152

約数和(自身を除く): 20501847

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 66347, 199041, 331735, 464429, 597123, 995205, 1393287, 2322145, 2985615, 4179861, 6966435, 20899305]

約数ペア:

[(1, 20899305), (3, 6966435), (5, 4179861), (7, 2985615), (9, 2322145), (15, 1393287), (21, 995205), (35, 597123), (45, 464429), (63, 331735), (105, 199041), (315, 66347)]