20186909

素因数分解:

${\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:284

約数の個数: 16

約数和(自身を含む): 21489600

約数和(自身を除く): 1302691

約数列:

[1, 43, 59, 73, 109, 2537, 3139, 4307, 4687, 6431, 7957, 185201, 276533, 342151, 469463, 20186909]

約数ペア:

[(1, 20186909), (43, 469463), (59, 342151), (73, 276533), (109, 185201), (2537, 7957), (3139, 6431), (4307, 4687)]