20159715

素因数分解:

$3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1997}}^1$

素因数の和:2678

約数の個数: 16

約数和(自身を含む): 32319648

約数和(自身を除く): 12159933

約数列:

[1, 3, 5, 15, 673, 1997, 2019, 3365, 5991, 9985, 10095, 29955, 1343981, 4031943, 6719905, 20159715]

約数ペア:

[(1, 20159715), (3, 6719905), (5, 4031943), (15, 1343981), (673, 29955), (1997, 10095), (2019, 9985), (3365, 5991)]