20148990169

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{238103}}^1$

素因数の和:238285

約数の個数: 24

約数和(自身を含む): 25732375488

約数和(自身を除く): 5583385319

約数列:

[1, 7, 11, 49, 77, 157, 539, 1099, 1727, 7693, 12089, 84623, 238103, 1666721, 2619133, 11667047, 18333931, 37382171, 128337517, 261675197, 411203881, 1831726379, 2878427167, 20148990169]

約数ペア:

[(1, 20148990169), (7, 2878427167), (11, 1831726379), (49, 411203881), (77, 261675197), (157, 128337517), (539, 37382171), (1099, 18333931), (1727, 11667047), (7693, 2619133), (12089, 1666721), (84623, 238103)]