20804252

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25621}}^1$

素因数の和:25661

約数の個数: 24

約数和(自身を含む): 43044960

約数和(自身を除く): 22240708

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 25621, 51242, 102484, 179347, 358694, 717388, 743009, 1486018, 2972036, 5201063, 10402126, 20804252]

約数ペア:

[(1, 20804252), (2, 10402126), (4, 5201063), (7, 2972036), (14, 1486018), (28, 743009), (29, 717388), (58, 358694), (116, 179347), (203, 102484), (406, 51242), (812, 25621)]