20950838

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{1087}}^1$

素因数の和:1531

約数の個数: 16

約数和(自身を含む): 32901120

約数和(自身を除く): 11950282

約数列:

[1, 2, 23, 46, 419, 838, 1087, 2174, 9637, 19274, 25001, 50002, 455453, 910906, 10475419, 20950838]

約数ペア:

[(1, 20950838), (2, 10475419), (23, 910906), (46, 455453), (419, 50002), (838, 25001), (1087, 19274), (2174, 9637)]