20281954

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131701}}^1$

素因数の和:131721

約数の個数: 16

約数和(自身を含む): 37930176

約数和(自身を除く): 17648222

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 131701, 263402, 921907, 1448711, 1843814, 2897422, 10140977, 20281954]

約数ペア:

[(1, 20281954), (2, 10140977), (7, 2897422), (11, 1843814), (14, 1448711), (22, 921907), (77, 263402), (154, 131701)]