20528229

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2341}}^1$

素因数の和:2460

約数の個数: 16

約数和(自身を含む): 28478720

約数和(自身を除く): 7950491

約数列:

[1, 3, 37, 79, 111, 237, 2341, 2923, 7023, 8769, 86617, 184939, 259851, 554817, 6842743, 20528229]

約数ペア:

[(1, 20528229), (3, 6842743), (37, 554817), (79, 259851), (111, 184939), (237, 86617), (2341, 8769), (2923, 7023)]