20996426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{9839}}^1$

素因数の和:9949

約数の個数: 16

約数和(自身を含む): 34715520

約数和(自身を除く): 13719094

約数列:

[1, 2, 11, 22, 97, 194, 1067, 2134, 9839, 19678, 108229, 216458, 954383, 1908766, 10498213, 20996426]

約数ペア:

[(1, 20996426), (2, 10498213), (11, 1908766), (22, 954383), (97, 216458), (194, 108229), (1067, 19678), (2134, 9839)]