20995114

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78929}}^1$

素因数の和:78957

約数の個数: 16

約数和(自身を含む): 37886400

約数和(自身を除く): 16891286

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 78929, 157858, 552503, 1105006, 1499651, 2999302, 10497557, 20995114]

約数ペア:

[(1, 20995114), (2, 10497557), (7, 2999302), (14, 1499651), (19, 1105006), (38, 552503), (133, 157858), (266, 78929)]