20537478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87767}}^1$

素因数の和:87788

約数の個数: 24

約数和(自身を含む): 47921328

約数和(自身を除く): 27383850

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87767, 175534, 263301, 526602, 789903, 1140971, 1579806, 2281942, 3422913, 6845826, 10268739, 20537478]

約数ペア:

[(1, 20537478), (2, 10268739), (3, 6845826), (6, 3422913), (9, 2281942), (13, 1579806), (18, 1140971), (26, 789903), (39, 526602), (78, 263301), (117, 175534), (234, 87767)]