20239555

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15629}}^1$

素因数の和:15678

約数の個数: 16

約数和(自身を含む): 28509120

約数和(自身を除く): 8269565

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 15629, 78145, 109403, 547015, 578273, 2891365, 4047911, 20239555]

約数ペア:

[(1, 20239555), (5, 4047911), (7, 2891365), (35, 578273), (37, 547015), (185, 109403), (259, 78145), (1295, 15629)]