20641286

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{1193}}^1$

素因数の和:1447

約数の個数: 16

約数和(自身を含む): 31894128

約数和(自身を除く): 11252842

約数列:

[1, 2, 41, 82, 211, 422, 1193, 2386, 8651, 17302, 48913, 97826, 251723, 503446, 10320643, 20641286]

約数ペア:

[(1, 20641286), (2, 10320643), (41, 503446), (82, 251723), (211, 97826), (422, 48913), (1193, 17302), (2386, 8651)]