20027735

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44017}}^1$

素因数の和:44042

約数の個数: 16

約数和(自身を含む): 29580096

約数和(自身を除く): 9552361

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 44017, 220085, 308119, 572221, 1540595, 2861105, 4005547, 20027735]

約数ペア:

[(1, 20027735), (5, 4005547), (7, 2861105), (13, 1540595), (35, 572221), (65, 308119), (91, 220085), (455, 44017)]