20229940

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1549}}^1$

素因数の和:2211

約数の個数: 24

約数和(自身を含む): 42575400

約数和(自身を除く): 22345460

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 1549, 2612, 3098, 3265, 6196, 6530, 7745, 13060, 15490, 30980, 1011497, 2022994, 4045988, 5057485, 10114970, 20229940]

約数ペア:

[(1, 20229940), (2, 10114970), (4, 5057485), (5, 4045988), (10, 2022994), (20, 1011497), (653, 30980), (1306, 15490), (1549, 13060), (2612, 7745), (3098, 6530), (3265, 6196)]