20876872

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63649}}^1$

素因数の和:63696

約数の個数: 16

約数和(自身を含む): 40099500

約数和(自身を除く): 19222628

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63649, 127298, 254596, 509192, 2609609, 5219218, 10438436, 20876872]

約数ペア:

[(1, 20876872), (2, 10438436), (4, 5219218), (8, 2609609), (41, 509192), (82, 254596), (164, 127298), (328, 63649)]