20149851

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 27302400

約数和(自身を除く): 7152549

約数列:

[1, 3, 157, 179, 239, 471, 537, 717, 28103, 37523, 42781, 84309, 112569, 128343, 6716617, 20149851]

約数ペア:

[(1, 20149851), (3, 6716617), (157, 128343), (179, 112569), (239, 84309), (471, 42781), (537, 37523), (717, 28103)]