20378152

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{28621}}^1$

素因数の和:28716

約数の個数: 16

約数和(自身を含む): 38639700

約数和(自身を除く): 18261548

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 28621, 57242, 114484, 228968, 2547269, 5094538, 10189076, 20378152]

約数ペア:

[(1, 20378152), (2, 10189076), (4, 5094538), (8, 2547269), (89, 228968), (178, 114484), (356, 57242), (712, 28621)]