20468258

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:386

約数の個数: 24

約数和(自身を含む): 32652048

約数和(自身を除く): 12183790

約数列:

[1, 2, 29, 43, 58, 86, 283, 566, 841, 1247, 1682, 2494, 8207, 12169, 16414, 24338, 36163, 72326, 238003, 352901, 476006, 705802, 10234129, 20468258]

約数ペア:

[(1, 20468258), (2, 10234129), (29, 705802), (43, 476006), (58, 352901), (86, 238003), (283, 72326), (566, 36163), (841, 24338), (1247, 16414), (1682, 12169), (2494, 8207)]