20528007

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1069}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 28299360

約数和(自身を除く): 7771353

約数列:

[1, 3, 37, 111, 173, 519, 1069, 3207, 6401, 19203, 39553, 118659, 184937, 554811, 6842669, 20528007]

約数ペア:

[(1, 20528007), (3, 6842669), (37, 554811), (111, 184937), (173, 118659), (519, 39553), (1069, 19203), (3207, 6401)]