20930989

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 23201280

約数和(自身を除く): 2270291

約数列:

[1, 19, 23, 211, 227, 437, 4009, 4313, 4853, 5221, 47897, 92207, 99199, 910043, 1101631, 20930989]

約数ペア:

[(1, 20930989), (19, 1101631), (23, 910043), (211, 99199), (227, 92207), (437, 47897), (4009, 5221), (4313, 4853)]