20715777

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{7039}}^1$

素因数の和:7157

約数の個数: 16

約数和(自身を含む): 30976000

約数和(自身を除く): 10260223

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 7039, 21117, 63351, 190053, 767251, 2301753, 6905259, 20715777]

約数ペア:

[(1, 20715777), (3, 6905259), (9, 2301753), (27, 767251), (109, 190053), (327, 63351), (981, 21117), (2943, 7039)]