20886931

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3259}}^1$

素因数の和:3318

約数の個数: 16

約数和(自身を含む): 24645600

約数和(自身を除く): 3758669

約数列:

[1, 13, 17, 29, 221, 377, 493, 3259, 6409, 42367, 55403, 94511, 720239, 1228643, 1606687, 20886931]

約数ペア:

[(1, 20886931), (13, 1606687), (17, 1228643), (29, 720239), (221, 94511), (377, 55403), (493, 42367), (3259, 6409)]