20344317

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12263}}^1$

素因数の和:12352

約数の個数: 16

約数和(自身を含む): 31395840

約数和(自身を除く): 11051523

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 12263, 36789, 85841, 257523, 968777, 2906331, 6781439, 20344317]

約数ペア:

[(1, 20344317), (3, 6781439), (7, 2906331), (21, 968777), (79, 257523), (237, 85841), (553, 36789), (1659, 12263)]