20911202

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{4649}}^1$

素因数の和:4837

約数の個数: 16

約数和(自身を含む): 33982200

約数和(自身を除く): 13070998

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4498, 4649, 9298, 60437, 120874, 804277, 1608554, 10455601, 20911202]

約数ペア:

[(1, 20911202), (2, 10455601), (13, 1608554), (26, 804277), (173, 120874), (346, 60437), (2249, 9298), (4498, 4649)]