20839399

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4733}}^1$

素因数の和:4794

約数の個数: 16

約数和(自身を含む): 25904448

約数和(自身を除く): 5065049

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 4733, 33131, 80461, 175121, 563227, 1225847, 2977057, 20839399]

約数ペア:

[(1, 20839399), (7, 2977057), (17, 1225847), (37, 563227), (119, 175121), (259, 80461), (629, 33131), (4403, 4733)]