20728596

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246769}}^1$

素因数の和:246783

約数の個数: 24

約数和(自身を含む): 55276480

約数和(自身を除く): 34547884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246769, 493538, 740307, 987076, 1480614, 1727383, 2961228, 3454766, 5182149, 6909532, 10364298, 20728596]

約数ペア:

[(1, 20728596), (2, 10364298), (3, 6909532), (4, 5182149), (6, 3454766), (7, 2961228), (12, 1727383), (14, 1480614), (21, 987076), (28, 740307), (42, 493538), (84, 246769)]