20649434

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:534

約数の個数: 24

約数和(自身を含む): 33818400

約数和(自身を除く): 13168966

約数列:

[1, 2, 13, 26, 169, 199, 307, 338, 398, 614, 2587, 3991, 5174, 7982, 33631, 51883, 61093, 67262, 103766, 122186, 794209, 1588418, 10324717, 20649434]

約数ペア:

[(1, 20649434), (2, 10324717), (13, 1588418), (26, 794209), (169, 122186), (199, 103766), (307, 67262), (338, 61093), (398, 51883), (614, 33631), (2587, 7982), (3991, 5174)]