20806084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12907}}^1$

素因数の和:12955

約数の個数: 24

約数和(自身を含む): 40479488

約数和(自身を除く): 19673404

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12907, 25814, 51628, 167791, 335582, 400117, 671164, 800234, 1600468, 5201521, 10403042, 20806084]

約数ペア:

[(1, 20806084), (2, 10403042), (4, 5201521), (13, 1600468), (26, 800234), (31, 671164), (52, 400117), (62, 335582), (124, 167791), (403, 51628), (806, 25814), (1612, 12907)]