20827838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1409}}^1$

素因数の和:1819

約数の個数: 16

約数和(自身を含む): 32994000

約数和(自身を除く): 12166162

約数列:

[1, 2, 19, 38, 389, 778, 1409, 2818, 7391, 14782, 26771, 53542, 548101, 1096202, 10413919, 20827838]

約数ペア:

[(1, 20827838), (2, 10413919), (19, 1096202), (38, 548101), (389, 53542), (778, 26771), (1409, 14782), (2818, 7391)]