20904254

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{87833}}^1$

素因数の和:87859

約数の個数: 16

約数和(自身を含む): 37944288

約数和(自身を除く): 17040034

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 87833, 175666, 614831, 1229662, 1493161, 2986322, 10452127, 20904254]

約数ペア:

[(1, 20904254), (2, 10452127), (7, 2986322), (14, 1493161), (17, 1229662), (34, 614831), (119, 175666), (238, 87833)]