20812204

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20089}}^1$

素因数の和:20137

約数の個数: 24

約数和(自身を含む): 42751520

約数和(自身を除く): 21939316

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20089, 40178, 80356, 140623, 281246, 562492, 743293, 1486586, 2973172, 5203051, 10406102, 20812204]

約数ペア:

[(1, 20812204), (2, 10406102), (4, 5203051), (7, 2973172), (14, 1486586), (28, 743293), (37, 562492), (74, 281246), (148, 140623), (259, 80356), (518, 40178), (1036, 20089)]