20584389

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16069}}^1$

素因数の和:16140

約数の個数: 16

約数和(自身を含む): 31882880

約数和(自身を除く): 11298491

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16069, 48207, 112483, 337449, 980209, 2940627, 6861463, 20584389]

約数ペア:

[(1, 20584389), (3, 6861463), (7, 2940627), (21, 980209), (61, 337449), (183, 112483), (427, 48207), (1281, 16069)]