20281354

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5581}}^1$

素因数の和:5685

約数の個数: 16

約数和(自身を含む): 32152320

約数和(自身を除く): 11870966

約数列:

[1, 2, 23, 46, 79, 158, 1817, 3634, 5581, 11162, 128363, 256726, 440899, 881798, 10140677, 20281354]

約数ペア:

[(1, 20281354), (2, 10140677), (23, 881798), (46, 440899), (79, 256726), (158, 128363), (1817, 11162), (3634, 5581)]