20276823

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41981}}^1$

素因数の和:42014

約数の個数: 16

約数和(自身を含む): 32242176

約数和(自身を除く): 11965353

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 41981, 125943, 293867, 881601, 965563, 2896689, 6758941, 20276823]

約数ペア:

[(1, 20276823), (3, 6758941), (7, 2896689), (21, 965563), (23, 881601), (69, 293867), (161, 125943), (483, 41981)]