20158329

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 27342848

約数和(自身を除く): 7184519

約数列:

[1, 3, 127, 157, 337, 381, 471, 1011, 19939, 42799, 52909, 59817, 128397, 158727, 6719443, 20158329]

約数ペア:

[(1, 20158329), (3, 6719443), (127, 158727), (157, 128397), (337, 59817), (381, 52909), (471, 42799), (1011, 19939)]