20417324

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1153}}^1$

素因数の和:1409

約数の個数: 24

約数和(自身を含む): 37805040

約数和(自身を除く): 17387716

約数列:

[1, 2, 4, 19, 38, 76, 233, 466, 932, 1153, 2306, 4427, 4612, 8854, 17708, 21907, 43814, 87628, 268649, 537298, 1074596, 5104331, 10208662, 20417324]

約数ペア:

[(1, 20417324), (2, 10208662), (4, 5104331), (19, 1074596), (38, 537298), (76, 268649), (233, 87628), (466, 43814), (932, 21907), (1153, 17708), (2306, 8854), (4427, 4612)]