20689635

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29347}}^1$

素因数の和:29402

約数の個数: 16

約数和(自身を含む): 33808896

約数和(自身を除く): 13119261

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 29347, 88041, 146735, 440205, 1379309, 4137927, 6896545, 20689635]

約数ペア:

[(1, 20689635), (3, 6896545), (5, 4137927), (15, 1379309), (47, 440205), (141, 146735), (235, 88041), (705, 29347)]