20439486

素因数分解:

$2^1\times 3^3\times {\mathrm{378509}}^1$

素因数の和:378520

約数の個数: 16

約数和(自身を含む): 45421200

約数和(自身を除く): 24981714

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 378509, 757018, 1135527, 2271054, 3406581, 6813162, 10219743, 20439486]

約数ペア:

[(1, 20439486), (2, 10219743), (3, 6813162), (6, 3406581), (9, 2271054), (18, 1135527), (27, 757018), (54, 378509)]