20946117

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 28719680

約数和(自身を除く): 7773563

約数列:

[1, 3, 43, 129, 397, 409, 1191, 1227, 17071, 17587, 51213, 52761, 162373, 487119, 6982039, 20946117]

約数ペア:

[(1, 20946117), (3, 6982039), (43, 487119), (129, 162373), (397, 52761), (409, 51213), (1191, 17587), (1227, 17071)]