20545923

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{4079}}^1$

素因数の和:4178

約数の個数: 16

約数和(自身を含む): 28984320

約数和(自身を除く): 8438397

約数列:

[1, 3, 23, 69, 73, 219, 1679, 4079, 5037, 12237, 93817, 281451, 297767, 893301, 6848641, 20545923]

約数ペア:

[(1, 20545923), (3, 6848641), (23, 893301), (69, 297767), (73, 281451), (219, 93817), (1679, 12237), (4079, 5037)]