20158383

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2347}}^1$

素因数の和:2766

約数の個数: 16

約数和(自身を含む): 30805760

約数和(自身を除く): 10647377

約数列:

[1, 3, 7, 21, 409, 1227, 2347, 2863, 7041, 8589, 16429, 49287, 959923, 2879769, 6719461, 20158383]

約数ペア:

[(1, 20158383), (3, 6719461), (7, 2879769), (21, 959923), (409, 49287), (1227, 16429), (2347, 8589), (2863, 7041)]