20854802

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{859}}^1$

素因数の和:1121

約数の個数: 16

約数和(自身を含む): 31992000

約数和(自身を除く): 11137198

約数列:

[1, 2, 61, 122, 199, 398, 859, 1718, 12139, 24278, 52399, 104798, 170941, 341882, 10427401, 20854802]

約数ペア:

[(1, 20854802), (2, 10427401), (61, 341882), (122, 170941), (199, 104798), (398, 52399), (859, 24278), (1718, 12139)]