20341145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5209}}^1$

素因数の和:5296

約数の個数: 16

約数和(自身を含む): 27008640

約数和(自身を除く): 6667495

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 5209, 26045, 57299, 286495, 369839, 1849195, 4068229, 20341145]

約数ペア:

[(1, 20341145), (5, 4068229), (11, 1849195), (55, 369839), (71, 286495), (355, 57299), (781, 26045), (3905, 5209)]