20413707

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:714

約数の個数: 16

約数和(自身を含む): 27786240

約数和(自身を除く): 7372533

約数列:

[1, 3, 71, 213, 239, 401, 717, 1203, 16969, 28471, 50907, 85413, 95839, 287517, 6804569, 20413707]

約数ペア:

[(1, 20413707), (3, 6804569), (71, 287517), (213, 95839), (239, 85413), (401, 50907), (717, 28471), (1203, 16969)]